Welcome messages

Dear 54th IChO2022 Participants and Guests,

On behalf of China Association for Science and Technology (CAST), I would like to extend sincere and warm welcome to you for the 54th IChO2022, the fun-filled and world-class event among the community of chemistry. 

Chemistry is a discipline of science that helps us understand the world. Discoveries made by chemists throughout history have contributed massively to the advancement of human civilizations. Like other scientists, chemists, by observing, thinking, experimenting and proving their innovative ideas, have developed scientific methodology and values as well as theories and concepts of the world of science. 

IChO was initiated because all nations have always attached great importance to the nurture of chemistry talents. Now entering its 54th year, IChO has presented challenges for secondary students, triggered their interest in science, and encouraged those who love chemistry. In addition, it offers the youth of the world a perfect chance to know each other and understand cultures other than theirs own.

CAST, as the largest organization of scientists in China, takes the credit for various science Olympiads and scientific research competitions among secondary students, and many top talents programs joined by renowned scientists. 

CAST has been committed to engaging the public with science and technology and inspiring innovation in the younger generation through science education programs and public events for dozens of years. As the co-host of the 54th IChO2022, CAST hopes to provide you with an exciting time and place where a high-integrity contest can be achieved and many long-lasting friendships can be made. And CAST also highly values to build partnership with all our counterparts from the rest of the world and along with them puts forward creating a community of shared future for science and technology.

On behalf of CAST, I would also like to recognize and acknowledge the enthusiasm, great efforts, and professional input of volunteers, staff, faculties and officials from governmental departments, Nankai University, Chinese Chemical Society and other organizations and institutions, which faithfully support the 54th IChO2022.

Finally, I wish you all a memorable and wonderful experience in the 54th IChO2022!


Dear Chairman Mr. Wan Gang 

Dear Steering Committee of the IChO,

Representatives, guests, ladies and gentlemen,

It gives me great pleasure to meet you online as the co-chair of this competition. On behalf of CPC Tianjin Municipal Committee and Tianjin Municipal Government, I would like to give my sincere welcome to all the guests and students who participate in the competition. I would also like to thank, from the bottom of my heart, all the staff for organizing and serving this event.

With a history of more than 50 years, the International Chemistry Olympiad (IChO), as the largest and most influential chemistry competition for young students in the world, is commonly referred as the Olympic Games of the chemical discipline. Over a thousand participants from more than 80 countries and regions will gather in Tianjin through Internet. To host IChO will bring a positive and far-reaching impact to Tianjin. First, it is a great opportunity for everyone to display talent, to inspire wisdom, and to deepen friendship with friends across the world. Second, it will certainly help to promote the communications among nations on both science and culture. Third, it will also enhance the level and vision of Tianjin chemistry education internationalization, inspire more young students to devote themselves to pursuing science and technology research in the future.

As one of the four municipalities in China, Tianjin is also the largest open coastal city in north China. With comprehensive advantages in location, industry, port, science and education, and national strategy, Tianjin is full of vitality for development. As an important birthplace of China's modern industry and an important frontier of China's modern chemical research and chemical industrialization, Tianjin has 39 out of 41 industrial categories, and its industrial system is well established. It is cultivating and improving 12 key industrial chains, such as green petrochemical, high-end equipment and integrated circuit. There are 56 institutions for higher education, including Nankai University and Tianjin University, and more than 170 innovation platforms and high-level R&D institutions, including national key laboratories and national engineering laboratories.

With the complete chain from basic research to ready products, there are 5 Haihe-river laboratories pooling top international experts to create Tianjin version of national treasure. In particular, Nankai University, as the main organizer of the competition, commits itself to beome a world-class university. Its chemistry discipline is an influential teaching and research base of chemistry both at home and abroad, and its aim is to cultivate a world-class discipline in the future. 

With a solid industrial foundation, outstanding scientific research strength, an open and inclusive development environment as well as an urban culture that combines ancient and modern elements with Chinese and western styles, Tianjin has provided a fertile ground and a broad stage for young students and talents of all kinds to display their talents, make innovations and start their own businesses.

Chemistry is an important fundamental subject in natural science, and one of the main methods and means for human beings to understand and transform the material world. It is ubiquitous in human production and life and future development. I hope this competition will attract more young students to devote themselves to chemical research, and sow more seeds of understanding and supports for chemistry in the whole society. At the same time, I hope representatives from all countries will be brave in innovation, show their brilliance and gain friendship. We will do our best to provide first-class service for the event and all the guests and participants in Tianjin.

Finally, I wish this International Chemistry Olympiad a complete success!


As President of the Chinese Chemical Society (CCS) and Executive Chairman of the 54th International Chemistry Olympiad (IChO2022), I am delighted to be part of this wonderful gathering of the world's future chemists. At this moment, I can’t wait to welcome all the participants, our young chemistry talents from all around the world.

CCS has had a long history with International Chemistry Olympiad (IChO). In 1984, CCS set up the Chemistry Olympiad (CChO) among high school students nationwide. Since 1987, CCS started to participate in IChO. More than 100,000 Chinese high school students participate in this event each year. From this initial interest in chemistry, it has had encouraged countless teenagers in China, and lead to a life-long pursuit of chemistry. There are in fact some friends and colleagues of mine who have benefited from their experiences of participating in CChO and IChO in their high school years and now have becoming distinguished young scholars. I am deeply proud of this. 

CCS hosted the 27th IChO for the first time together with Peking University in 1995, and 27 years later, we will team up with Nankai University to hold the IChO again. I would like to show our great appreciation to the IChO Steering Committee for their trust in CCS. I also want to thank the China Association for Science and Technology (CAST) and the Tianjin Government for their great support during years of organizing. Most importantly, I am sincerely grateful to all the staff and volunteers who have been involved in this systematic work; teachers and students, with their unparalleled creativity and dedication will make this IChO a big success as we all wish!

It is known that 2022 is the United Nations International Year of Basic Science for Sustainable Development. As a core subject with strong practicality, chemistry has made unparalleled contributions to the progress and development of human society in the past. There is no doubt that chemistry will continue to make greater contributions to the sustainable development of the world and a better life for mankind in the future. I wish you all the best of luck in the IChO2022.


Executive Chairman of IChO2022, academician of Chinese Academy of Sciences, Prof. YAO Jiannian


I am ZHOU Qilin, an organic chemistry professor from the Chemistry College, Nankai University in China. It is our great privilege to hold the 54th International Chemistry Olympiad (IChO2022) at Nankai University in Tianjin, China in 2022.This is the second event in China mainland as the 27th IChO was held in Peking University in 1995. As the chairman of the Scientific Committee of the IChO2022, I am very pleased to welcome you all to the IChO2022 in China. I hope you will enjoy the event in Tianjin and take back many pleasant memories with you.

Chemistry is the science that studies the composition, structure, properties and chemical changes of substances. As the central science, Chemistry not only connects with other scientific disciplines but also affects our lives. The knowledge derived from chemistry allows us to know, change and improve the world we live in. Chinese civilization has made outstanding contributions to chemistry, such as gunpowder and papermaking among the four great inventions, as well as ancient Chinese alchemy, bronze ware, Chinese herbal medicine, the first artificial synthesis of bovine insulin and so on. I sincerely hope that the talented young chemists who will shape chemistry and our world in the future will develop quickly. We would like to make our contributions to the development of these young chemists in the IChO2022 in Tianjin. 

There is an old saying in China: “The journey of a thousand miles begins with a single step”. I hope all of you will study chemistry, enjoy chemistry, and use chemistry to change the world.

We look forward to welcoming you to participate in the 54th International Chemistry Olympiad, and wish you success in this great scientific event in Tianjin.

Chairman/President of the Scientific Committee


President of Scientific committee for IChO2022, academician of Chinese Academy of Sciences, Prof. ZHOU Qilin


We are looking forward to welcoming you from all over the world to participate in the 54th International Chemistry Olympiad (IChO2022), at Nankai University, in Tianjin in 2022. In Northern China, Tianjin, ‘the emperor’s docks’, is a key junction of transportation and communication for China and its connection with the world.

As the Vice-Chancellor of Nankai University, it is my greatest pleasure to introduce Nankai University, the IChO2022 host. Founded in 1919, Nankai University has played a vital role in Chinese education over the last 100 years. Today, Nankai has grown to three modern university campuses, with a full range of educational institutions. Nankai University is a leading multidisciplinary, research-oriented state university, consisting of 26 colleges, covering areas from the natural sciences to the humanities, at all levels. As a member of the Global University Leaders Forum, Nankai University strives continuously to deepen its internationalization and globalization, both in education and research. Not only does Nankai offer opportunities for students to study abroad, but it also provides a growing number of well-supported international studentships and scholar bursary programs each year. These broaden our academic horizons and contribute to building a worldwide academic community and a shared future for humankind.

As a chemist, I have found that Chemistry starts from simple concepts and extends to understand the complexities of the world. Here at Nankai, one is always encouraged to develop social responsibility, practical capabilities, and a creative spirit. This spirit is also shared with the IChO, so we are genuinely looking forward to welcoming the young Olympians to Nankai University, bringing sparks of inspiration, ideas and scientific talent, and starting friendships. Right now, we are working as hard as possible to ensure you will have a safe and special IChO in China. We sincerely hope that the pandemic will be over and the world will go back to normal quickly. 

We are looking forward to welcoming you to Tianjin, in 2022! 


Executive Chairman of IChO2022, President of Organizing committee for IChO2022, academician of Chinese Academy of Sciences, Prof. CHEN Jun