Objective To explore the effects of early behavior monitoring and intervention on infant is healthy personality development. Methods Healthy qualified infants borned from Jan .2009 to June 2010 in Jiangxi maternal and children health care hospital were divided into two groups:intervention group (78 cases) and normal group (80 cases).Intervention group accepted systematic instructions and training courses of infant's healthy personality.Normal group didn't accept any scheduled courses and guidance.Personality Tendency Scale for Children( PTSC) and Chinese version of urban Infant-Toddler Social and Emotional Assessment(CITSEA) were used to assess infants of two groups. Results Development of personality, social emotion and social behavior of infants in intervention group were significantly better than those in other groups (all P<0.05).Family upbringing in the crowd percentage of intervention group improved significantly after intervention, and the difference was statistically significant(P<0.05). Conclusion Early behavior monitoring and intervention can improve family upbringing and parent-child interaction and effectively promote infant healthy personality, at the same time it is conducive to the development of infants social emotion and behavior.