Introduction: The present study analyzed the effectiveness of combination therapy of schema therapy and attachment- based therapy for the early maladaptive schema and insecurely attached style mothers and children's behavioral problems.

Method: the study was single subject of ABA experimental designs and purposive sampling. 6 mothers whose their children had behavioral problems were selected among the clients who referred to the psychological counseling services related to the rehabilitation welfare center. These mothers were posses maladaptive schemas and insecurely attached style. They were selected randomly and in step. The measurement was done by using Young early maladaptive schema questionnaire, Experiences in Close Relationships Scale and Ratter behavioral disorders questionnaire. Each mother received combination therapy of schema therapy and attachment-based therapy for 20 sessions.

Results: reducing the children's signs of behavioral problems compared to the baseline was from 2.81percent to 27.57   percent. Generally, children's behavioral problems severity scores reported by the subjects were decreased in compare to the baseline in intervention and follow-up levels.

Conclusion: the intervention with mothers was effective in decreasing children's behavioral problems, however; the rate of decreasing the signs was different in various subjects.