The present study examined the relationship between early maladaptive schemas with marital conflict and instability in the couples of applicant of divorce and normal couples in Rasht. This study was a causal-comparative design. The study samples consisted of couples of applicant of divorce were referred to family court in Rasht and normal couples. 75 couples were selected randomly among the couples of applicant of divorce and another 75 couples were chosen between normal couples using multi-stage cluster sampling. Instruments included incompatible Young Schema Questionnaire, Third Edition (Short Form 90 Questionnaire) , Kensas Marital Conflict Scale (1985) , and Edwards Marital Instability Index (1980). To test the research hypotheses Kruskal-Wallis Test and Spearman Correlation Coefficients were used. Findings showed that marital instability in the couples of applicant of divorce are more than normal couples and marital conflict in normal couples are more than couples of applicant of divorce. There is a direct relationship between early maladaptive schemas and marital conflict in the couples of applicant of divorce and normal couples and early maladaptive schemas and marital instability in the couples of applicant of divorce. Therefore, there is an inversed relationship between age and marital conflict in the couples of applicant of divorce and normal couples and a direct relationship between age and marital instability in the couples of applicant of divorce and normal couples.