自杀已经成为全世界共同关注的公共精神卫生和社会问题。在我国,自杀是第五大死因,占全部死亡人数的3.6%。在15岁至34岁的人群中,自杀是首位死因。我国每年有25万-28万人死于自杀,平均每天约有750人。此外,每年还有200万 Suicide has become a public mental health and social issue of common concern throughout the world. In our country, suicide is the fifth leading cause of death, accounting for 3.6% of all deaths. In the age group 15 to 34, suicide is the first cause of death. Every year, 250,000 to 280,000 people die of suicide in our country, an average of about 750 people each day. In addition, there are two million each year