Family violence is the violent behavior happened in family. Family violence is a pervasive filthy phenomenon that is familiar in family life at all times and in al over the world, it is a global problem. The weaker of family, for example, women, children, oldster, handicapped, they are possible to be the victims of family violence, the root of family violence is the corrupt customs, sexual discrimination and patriarchy and so on, it can harm the body and mind health of women badly, infringe the legal rights and interests of women, destroy the stability and development of society, it has aroused social extensive attention. The new marriage law of China practiced in April, 2004 constitutes several concrete punitive articles to family violene, for example, the victims of family violence can demand divorce, the victims can ask for compensation, and also provides clearly that the victims may request aids from police and dissuade form inhabithant committee, hence, family violence is anything but "family affair", but a behavior that will receive punishment from law. The following article will air some opinions about the connotation, harmfulness, cause of formation, prevention and countermeasure to expect people will give the victims more general, more concrete and more appropriate aids in order to acquire better social effect.