Conduct disorder is a general psychiatric classification encompassing a variety of behavior patterns in which the individual repetitively and persistently violates the rights, privilages and privacy of others, for these children and adolescents, the authority figures like parents and teachers are assumed as intervening and punishing individuals, Some of these patients are diagnosed as having attention deficit or hyperactivity. Conduct disorder may be concomitant with one or several other disorders such as mood disorders, substance abuse, learning and emotional disorders. The probability of conduct disorder in children with biological or non biological parents having antisocial personality, and or have siblings with behavioral and communication disorders, is more than normal people. Also for children with alcoholic, mood disorders, attention deficit hyperactivity disorder, psychosis and conduct disorder parents, the probability of having the symptoms is higher than children with normal parents.