[Current status and change trend of violence against children in China from 2006 to 2015, an analysis on data from National Injury Surveillance System].

To understand the current status and change trend of violence against children in China and provide evidence for the risk factor and intervention priority identifications and intervention strategy development. The data of National Injury Surveillance System (NISS) from 2006 to 2015 were used to analyze the change in outpatient visit due to violence against children, injury cases'demographic characteristics, incidence of injury and clinical outcomes of injury cases. A total of 44 319 injury cases caused by violence against children were reported through NISS during this period. The proportion of violence related child injury cases in total child injury cases decreased year by year. In child violence cases reported in 2015, boys accounted for 81.31, the boy to girl ratio was 2.22∶1. Violence related injuries caused by blunt strike accounted for 65.69. The incidences of child violence were low in February and during July-August and 48.87 of violence related injuries occurred in schools and public places, bruise accounted for 63.52. The main injured body part caused by child violence was head (51.18), and most violence caused injuries (82.66) were mild, while 83.21 of the injury cases went home after treatment. Violence against children should not be ignored. Male students of middle/high schools are at high risk. Schools are the places where violence against children is prone to occur. Health and safety education should be strengthened to prevent the occurrence of campus violence and improve the child's awareness of self-protection and reduce the incidence of serious violence.