Objectives:To understand the relationship between infected children and their parents, and to find the ratio of infection routes of STI/STDs, providing references for the policy makers on health and protection of STI/STDs children. Methods :To review domestic medicine clinical reports, analysis infection routes of children STI/STDs combining Chinese actual state. Results:there are 3,439 cases of children STI/STDs reported, except for 13.06% whose sex unknown, the male to female sex ratio is 1:7. 125. Only 1592 cases reported parent(s) inf...