Breast cancer patients and their spouses face a series of problems in their sexual life, which together lead to the decline of the sexual life quality of the couple, endangering the physical and mental health and the marital relationship of the patients and their spouses. Therefore, this article reviews the current situation, assessment tools, and influencing factors of sexual life quality of breast cancer patients and their spouses, and introduces the foreign intervention measures of sexual life quality based on the dual perspective of husband and wife, in order to promote the development of research on sexual life of breast cancer patients and their spouses in China, and provide references for the construction of a localized intervention program to improve the sexual life quality.