In recent years, the global “obesity epidemic” has become one of the major public health problems, and the research in the field of “environmental obesogenic factors” has been rapidly emerging. Among them, the idea that excessive intake of BPA causes the obesity epidemic has attracted great attention from international academia and governments. However, there is a lack of epidemiological studies, and the evidence and mechanism of action have not been identified. Recently, a study conducted by a group led by Zhou Ying, an associate professor at the School of Public Health, Fudan University, using urinary BPA as a biomarker in 259 school children aged 8 to 15 in Shanghai, showed that urinary “BPA” concentrations were positively correlated with children’s body mass index values, i.e., the higher the “BPA The higher the concentration of “BPA”, the higher the level of obesity. This is the first study of the obesity-promoting effect of BPA in children and adolescents in China. The results suggest that BPA exposure may be one of the risk factors for the development of childhood obesity, and may provide new ideas for the future development of prevention and control strategies for the childhood obesity epidemic in China. The research results were recently published in the American Journal of Environmental Health and were named a highly visited paper of the year. Bisphenol A is one of the most produced chemicals in the world and has been used in the manufacture of milk bottles, sippy cups for young children and the inner coating of food and beverage cans since the 1960s.