Abstract Obesity has become a global public health problem that affects human health and poses a huge threat to the health of children in China. More and more studies have shown that social environment including social culture, food tax, food advertising and marketing, community food environment and community built environment exerts impact on childhood obesity. With the aim of fully developing the Healthy China and building a moderately prosperous society in all respects, as well as achieving the goal of "Achieving socialist modernization by 2035", it is also necessary to strengthen the comprehensive social environment, develop a sustainable and health supported environment for childhood obesity control and healthy growth and development for all children.