Objective To explore the relationship between parenting style and the primary school students' intelligence,and provide the theoretical basis for establishment of the pointed education method. Methods A total of 882 students from grade 1 to 6 in primary shcool of Nanhai district,Foshan City were investigated.Their parents were assessed with Parental Style Scale,and their intelligence were assessed with IQ scores of Human Figure Drawings. Results 1) For mother's parenting style and parents' parenting style,primary school students' intelligence quotient (IQ) of democratic parenting was significantly higher than indifference group,the difference was statistically significant(P<0.05).2)The response and requirements of father,mother and parents for primary school students,had significantly positive correlation with IQ;3) Mother's response dimension,primary school students' age,father's requirements dimension and mother's educational background,these four factors had significant prediction to primary school students' IQ,and they were positively correlated with IQ,except primary school students' age was negatively related with IQ. Conclusion Parenting style has remarkable effect on primary school students IQ.Mother's high educational background and high response dimension,father's high requirements dimension do good to raising a smarter child.