A- The goal of this survey is to negotiate the causes of increasment of psycho-social problems in the adolescence Field.We have purposed to evaluate and categorize 95 persons who were self - referred or refrnal from legal system to crisis - intervention of welfare organization.These Persons were classified into three groups through neurologic - psychologic - psychiatric approach:1- Adolescence and Risk - Taking behaviors of Identity crisis.2- Delinquency3- Prostitution:B- Results of approach:1- %30.53 of cases were subclassified under diagnosis of Risk - Taking behavior, identity crisis (which are temporary and abating increasing of age) and Family, supportive system problems.2- %16.84 of cases were subclassified under diagnosis of conduct disorder, Borderline and antisocial personality disorder.3- %13 cases were subclassified under diagnosis of Major or minor psychiatric disorders such as psychoses, Major Mood Disorders and IQ deficiencies.