This study aims to examine the effectiveness of communication and marital (sexual) skills in marital functioning and satisfaction and reduced marital conflicts among Iranian couples. The research literature has been collected from Magiran, SID, Noormags, ISC, and Civilica databases from 2006 to 2021. In the initial search, 104-related articles were extracted and after removing the duplicates, and screening the title and abstract, 34 articles were identified as relevant. After screening the full text of the articles, 20 studies were selected based on the inclusion criteria. According to the studies reviewed, the findings demonstrated that both interventions based on communication skills training and marital (sexual) skills training have improved marital satisfaction, sexual functioning and sexual satisfaction, and reduce marital conflicts. But the reviewed studies also had several blind spots and limitations were discussed in the article.