Objective: To explore the evaluation and influential factors of impulsiveness in children. Methods: 1736 children aged 6 to 12 years were selected randomly from Changsha, whose parents completed the questionnaires of family status questionnaire and Barratt Impulsiveness Scale 11th version (BIS-11). Results: The impulsiveness in male is higher than female among children (P<0.01). The total score of BIS, as well as the score of moter impulsiveness and non-planning impulsiveness factors were decreasing along with age, and there was a significant difference between the different age groups (P<0.01). Children, with mother in the diseased during pregnancy group or premature delivery group, had a higher impulsiveness (P<0.05). The impulsiveness in children was lower (P<0.01) in such family environment: mother with a high educational background, and mother with an occupation as technician, officer, teacher or doctor, etc. The impulsiveness in children was lower in middle-high income family (P<0.01), and was higher in these group (P<0.05 or P<0.01): divorced family group, parents with mania, anxiety or depression group, parents with divergently educational attitude group, and parents with no persuasive education group. Conclusion: The results of the current study shows that perinatal factors and family environment is correlated with hyperactive-impulsive level in children.