预防是反家庭暴力工作的重要环节。广义的说,无论是暴力发生前的宣传倡导、教育培训,还是暴力发生后所采取的干预措施,都能够防止暴力发生和再次发生,因此,都具有预防的作用。狭义的说,预防特指在暴力发生前所采取的措施。因为只要暴力一旦发生,都会给当事人造成伤害,因此,最好的方法是防患于未然。本法将家庭暴力的预防单列一章,强调预防为主的反家暴工作原则,要求国家机关和社会各界采取有效措施,防止家庭暴力的发生。这些措施包括: Prevention is an important part of anti-domestic violence. Broadly speaking, neither pre-violence publicity and advocacy, education and training, nor the interventions that have been taken after the violence have taken place can prevent the recurrence of violence and thus prevent it from happening again. Narrowly speaking, prevention refers specifically to the measures taken prior to the violence. Because whenever the violence happens, it will cause harm to the parties, so the best way is to take preventive measures. This Law puts the prevention of domestic violence in a separate chapter, emphasizing the principle of prevention based on anti-domestic violence and requires that state organs and all sectors of society take effective measures to prevent domestic violence. These measures include: