ancer is one of the chronic and noncommunicable diseases that includes a wide range of problems. This disease, like all other chronic illnesses, can occur in any individual, age group, and race, and is considered as a problem affecting the health of the community (1). Cancer is the second leading cause of mortality in the developed countries behind cardiovascular diseases. In the less developed countries, this disease is the third most common cause of death preceded by cardiovascular diseases and accidents (2). Breast cancer has a significant impact on the stability of couples' and families' relationships because it directly involves the sexual identity of the women. Accordingly, the diagnosis of breast cancer is followed by turbulence in the individual's family and personal life, in addition to the physical problems and manifestations. Marital satisfaction is one of the factors that is seriously affected by this disease (3). Marital satisfaction is referred to a condition in which the husband and wife often feel happy and satisfied with their marriage (4), which can vary from high satisfaction to high dissatisfaction (5). Marital satisfaction is a personal experience that can be subjectively evaluated by each spouse based on the perceived pleasure of their marital relationship. This feeling plays an important role in the normal functioning of the family and is affected by many factors (6). Couples with high perceived marital satisfaction have a great C