Objectives To investigate the relationship between feeding behavior and overweight/obesity among infants and young children,and to provide reference for the development of overweight / obesity prevention measures among infants and young children. Methods Self-fill questionnaire was used to investigate the feeding behaviors of 176 infants and young children aged 0~3 years old in Niujie community,Beijing.BMI was calculated,and all the subjects were divided into normal weight,overweight and obese groups according to BMI.Chi-square test was performed to investigate the differences of feeding behavior between caregivers from weight groups. Results Classification by BMI calculation,overweight children accounted for 12.5%,obese children accounted for 8.5% of infant and young children aged 0~3 years old in Niujie community,Beijing.Significant differences in the forced feeding behavior were found between different weight groups (P<0.01). Conclusions The forced feeding behavior among infant and young children is closely related to overweight/obesity,which can reduce the risk of overweight/obesity of children by intervening the forced feeding behavior.