The aim of this research is investigating the effect of training structural-systematic approach components on marital quality and problem solving of couples. General plan of research is a quasi-experimental with pre-post test and control group. Statistic population includes all clients of psychology and counselling clinic of Ferdowsi Mashhad University couples with marital conflicts and issue in problem solving in 2014. Sample size includes 10 couples in each control and examination group. Examination group has received 10 couple-therapy structural-systematic group meetings. Research tools were two questionnaires; revised marital quality scale and family problem solving (2010). To analyse data ANCOVA method has been used. For analysing data SPSS software has been used. Results have indicated that structural-systematic approach results in significance increment of marital quality and couple problem solving in comparison to control group. It can be said that structural-systematic approach may has a significant effect on family structure having a systematic and comprehensive approach and tries to solve happened problems and defects changing family structure. It is hoped that can progress in couple-therapy and family therapy using this approach.