【Objective】 To study the effectiveness and feasibility of the overweight and obesity interventions on 0~3 years children in the community. 【Methods】 The progress and outcome of the overweight and obesity happened on the 3 months old infant was monitored during January to December of 2007 by method of the preventative interventions conducted in the healthcare clinics of hospital system and the family behavior therapy, till they got old to 3. 【Results】 By the intervention measures, the incidence of infant overweight fell to 16.53% from 21.59% , and the incidence of obesity fell to 4.18% from 6.53%. After interventions, there was very significant difference in the incidence of children obesity compared with those before intervention (P＜0.05). 【Conclusion】 In a routine healthcare basis for children, the preventive intervention and family behavioral therapy can effectively prevent the incidence and progress of early childhood obesity, and also can play a guiding role of a healthy lifestyle.