Prevention Community preventive measures 1. Recording and reporting system 2. Security education and institution Training of the parents or guardian Education for the elder children Adjustment or revision the preventive plan according to the epidemic reports 3. Legislation 4. Attend the encouraging and punishing mechanism in the preventive systemPrevention 一、Community preventive measures： 1. Recording and reporting system 2. Security education and institution Training of the parents or guardian Education for the elder children Adjustment or revision the preventive plan according to the epidemic reports 3. Legislation 4. Attend the encouraging and punishing mechanism in the preventive system