自杀不仅是涉及政治、经济、文化、宗教等方面的一个社会问题 ,而且也是与心理学、精神病学、医学和法医学等学科密切相关的一个学术问题 [1 ]。近几十年来一直受到国内外社会学家、心理学家、神经病学家、哲学家和法医学家们的重视 ,这些学者从自杀原因等诸多方面已进行了广泛 Suicide is not only a social issue involving politics, economy, culture and religion, but also an academic problem that is closely related to disciplines such as psychology, psychiatry, medicine and forensics. In recent decades, social scientists, psychologists, neurologists, philosophers and forensic scientists all over the world have been paying attention. These scholars have carried out a wide range of aspects, such as the cause of suicide