The authors deal with suicidal behaviour in children and adolescents. They examined 38 patients (7 boys and 31 girls) hospitalised in 2004 after the suicidal attempt on Faculty Hospital Motol children's psychiatric clinic. In mentioned sample, the way of accomplishment by intoxication by medicaments prevailed (31 persons, i.e. 81 %), the family conflicts were the frequent motive of suicidal behaviour, not seldom in combination with partner conflicts and peer conflicts. As current psychopathological manifestations, in 79 % the depressive symptomatic was found, and in 39 % the behavioural disorders were found. Impulsivity and sensitivity were the predominating disharmonic personality traits. The risk factor of dysfunctional family is noticeable.