随现代社会的进步和生物科学技术的发展,由生物因子所致的传染性疾病逐渐被人类控制,造成人类死亡的死因谱也随之发生根本性改变。不少国家意外死亡(自杀等)已跃居死因第三位。自杀是由心理冲突而产生的一种自我毁灭性行为,有着与传染病、肿瘤、心血管系疾病相同的结局。其在人类全死因中的地位将会愈益提高,因此,值得广大社会医学、社会学,心理学、精神病学方面的工作者的重视。在自杀问题研究中,青少年自杀问题尤引起人们的注目。据有关文献报导:在所有 With the progress of modern society and the development of biological science and technology, the infectious diseases caused by biological factors are gradually controlled by human beings, and the death spectrum of human death will also be fundamentally changed. In many countries, deaths (suicides, etc.) have risen to third place. Suicide is a self-destructive behavior caused by psychological conflict, with the same outcome as infectious diseases, cancer and cardiovascular diseases. Its position in the cause of death of all mankind will be increasingly improved. Therefore, it deserves the attention of a large number of workers in social medicine, sociology, psychology and psychiatry. In the study of suicide, the issue of teenage suicide has drawn special attention. According to the literature reports: at all