Objective To understand the status on breakfast-eating behavior among children in six cities of China, and to provide evidence for nutrition education and intervention strategies. Methods With three stage clustering random sampling method, a total of 12 197 pupils of 72 primary schools in six cities( Beijing, Quangzhou, Nanjing, Chongqing, Jinan and Harbin) participated in this survey. Results The proportion of children having breakfast everyday was 88.5%, having breakfast three or four times a week was 7.0...