【Objective】 To understand the status of the physical growth for birth weight ≥ 4 000 g children aged from 0 to 3 years in Minhang district. 【Methods】 The physical growth of the children at the age of 0~3 had been followed up,who was born on 4 kilos in weight and accept health care managing in Minhang distric.Follow-up children were 4178 person-time in total. 【Results】 The average weight of all ages was significantly higher than that in the investigation result 2005 about the physical growth of children aged from 0 to 6 years in Shanghai. The average incidence of overweight was 20.90%,which of obesity was 3.37%.The overweight peak occurred when children were 6 months and 3 years old. The distribution characteristic was demonstrated that the incidence of obesity in boys was obviously higher than that of girls. 【Conclusion】 It is necessary to prevent the occurrence of overweight and obesity from the prenatal period and to control the growth speed of body mass in preschool age.