This research is aimed at identifying the relationship between character accentuations, affective and volitional disorders with suicidal motivation and suicidal behavior. To study the characteristics and relationship of suicidal behavior with psychological personality traits (in particular with depression and volitional disorders and character accentuation), a study was carried out in two groups of adolescents and young men (14 - 18 years old): those who attempted suicide (45) and those who did not attempt suicide. (53). Diagnostic tools: test "Suicidal motivation" (Vagin Yu.R., 1998), test "Anti-suicidal motivation" (Vagin Yu.R., 1998), "Scale of suicidal intention" (Beck AT), K. Leonhard's characterological questionnaire, test "Depression" , hospital scale of depression, normalized scale for the diagnosis of volitional disorders. Diagnostic information was received online. Mathematical processing of the data was carried out using the Mann-Whitney U-test, Spearman's correlation coefficient, and principal component analysis (latent structural analysis). Comparative analysis showed the heterogeneity of the groups in terms of the parameters studied, differences in character accentuation (hyperthymic, dysthymic), suicidal motivation (Anesthetic motivation), anti-suicidal motivation (Moral motivation, Narcissistic motivation, Cognitive hope, Temporary inflation), depression scale were revealed. The results of this research can be used in identifying a suicidally dangerous reference group, as well as in the prevention and prevention of suicidal behavior.