In recent years,the obesity rate among children,adolescents and adults at home and abroad has been increasing.Obesity has become a global epidemic and a major public health crisis that the world needs to face together.This article reviews and summarizes the epidemiology and community management practice models of children,adolescents and adults with obesity at home and abroad,points out the existing problems in the current obesity management model in China,and constantly explores effective and feasible community management methods for obesity patients.