Working on the 2025 World Obesity Day (WOD, March 4), the Obesity Prevention and Control Section of the Chinese Nutrition Society (CNS-OPCS), the Xi’an Jiaotong University (XJTU) Global Health Institute (GHI), and the International Research Center for Obesity and Metabolic Diseases, in collaboration with nearly 100 organizations worldwide, hosted the 2025 "World Obesity Day: China in Action" series of events.