Objective: To compare the differences of the relationships of paternal attachment,maternal attachment and peer attachment in adolescents of Mainland China and Malaysia.Methods: Inventory of Parent and Peer Attachment was used and 1694 adolescents were tested(315 were Malay of Malaysia,666 were Chinese of Malaysia and 713 were Chinese of Mainland China).Results: Adolescents of Malay evaluated more positive in parental and peer attachment than those in China and Malaysia.Conclusion: Significant differences between the attachment by Malay and Chinese adolescents point to the need to understand attachment in adolescents within a cultural context.