World Breastfeeding Week (WBW) is held from August 1 to 7 every year. On August 5, 2021, Chinese Nutrition Society, together with the support of the United Nations Children’s Fund (UNICEF) in China Office, organized a seminar in Beijing to promote the 30th WBW. Over 260 representatives from domestic research institutes, universities, associations, chambers of commerce as well as U.N. agencies attended the seminar.