Background Sexual dysfunction (SD) is one of the important problems in diabetes patients due to its complication effect on sexual function. The maternity nurse has an important role to assess the knowledge about needs for sexual health. The study aimed to assess how diabetes affects the sexual health regarding Female dysfunction Patients. Subjects and Methods: design: a descriptive cross-sectional research methodology was used. Setting: The study was conduct at the diabetes and obstetric outpatient clinic in two hospitals and five facilities in Port Said health care authority. Subjects: The study involved a purposeful sample of 178 female diabetic patients. Tools of data collection: Two instruments were used to gather data: (1) a pre-designed questionnaire sheet with questions on the patients' personal characteristics, medical histories, and current sexual problems, and (2) the female sexual function index (FSFI). The Results: According to the current study's total Mean SD score (19.5 3.7), the majority of the examined female patients had sexual dysfunction across all index domains. Conclusion: Severe sexual dysfunction was present in the diabetic female patients who were the subject of the study. Recommendations: Conducting in-service educational programs for maternal nurses on how to cope with sexual dysfunction for diabetic female patients. Implementing instructional sessions based on the PLISSIT model for diabetic female patients in all available clinics.