Abstract: Objective To explore the effect of family health management on prevention and treatment of asthmatic children.Method From January 2017 to January 2019,60 children with asthma in our hospital were enrolled.The patients were divided into the control group and the observation group according to the principle of random distribution.Each group had 30 people.The control group received routine clinical treatment,and the observation group was used family health management based on the treatment plan of the control group.One year after the intervention,the number of asthma attacks and emergency visits,and the improvement of FEV1/FVC(%) and FeNo were compared between the two groups.Results After the intervention,the number of episodes and emergency visits in the observation group was less than that of the control group,and the difference was statistically significant(P<0.05).FEV1/FVC(%) and FeNo of the children in the observation group were better than those in the control group,and the difference was statistically significant(P<0.05).Conclusion Family-based health management can greatly improve the occurrence and development of asthma in children,so that asthma can be effectively controlled clinically,and it has a good effect on the prevention and treatment of asthma in children.