Objective      To investigate the differences of childhood abuse

neglect and aggressive behavior between violent adolescent criminals with adolescence-(AO) and children-onset (CO) antisocial behavior

and to explore the relationship of aggressive behavior between AO and CO with being abused.       Methods      One hundred and ten AO and 110 CO violent adolescent criminals (all males

with an age ranging from 14 to 18) were selected from Chongqing juvenile p

rison. Another 110 male students at the same age range from an occupation high school served as control. All of them were assessed with the self-made general situation questionnaire

childhood trauma questionnaire-28-item short-form (CTQ-SF)

aggression questionnaire (AQ) and child neglected scale to cross-sectional survey research.       Results      There were significant differences in the bad habits of parents

dwelling environment

customs

parental rearing styles

and marital status among the 3 groups（P0.01）. Very statistical differences were found in the childhood abuse

neglect and total score among the 3 groups（F=86.524

F=70.754

P0.01）. The communication and body ignore  was higher in the AO group than CO and control groups (P0.05)

yet the sexual abuse and abuse total score were higher in the AO and CO groups than control (P0.05). There were significant differences in the aggressive behaviors among the 3 groups (F=24.887

P0.01)

in an order of CO groupAO groupcontrol. There was positive correlation between aggressive behaviors and childhood abuse both in the AO and CO groups （r

AO

=0.44

r

CO

=0.78

P0.01）.       Conclusion      AO group has worse childhood family

social environment

abuse and neglect compared with CO group

but CO group has stronger aggressive behavior. Our results indicate that different measurement should be taken according to the characteristics of different groups of violent criminals in future intervention.