Most researchers believe that suicide is a sequence of process, not a sudden behavior, consist of suicidal ideation, suicide attempts and suicide death process, only a small portion of suicidal behavior is impulsive type, accounting for about 25%. Suicidal ideation is an important precursor to suicide attempts or suicide. It is helpful to Intervene and prevent suicide by timely detection of risk factors for suicidal ideation, before the emergence of suicidal behavior. There is a detailed discussion of suicidal ideation from the aspect of biological factors, psychosocial factors and other factors, to find one of the risk factors, provide a basis for intervention and suicide prevention college students. |