Chronic complications of diabetes mellitus was the most common autonomic neuropathyresulted in sexual dysfunction. The aim of research was to described the sexual dysfunction in patientswith type 2 diabetes mellitus at Poli Penyakit Dalam Mardi Waluyo Hospital Blitar. The researchmethod used descriptive design. The population in this study were patients with type 2 diabetes mellituswho visited in poli penyakit dalam in Mardi Waluyo Hospital Blitar in April as many as 856 people, anda sample of 86 people were taken using purposive sampling technique. Collecting data used the FSFIquestionnaire for womens and IIEF for mens. These results indicate that the majority of patients withtype 2 diabetes mellitus sexual dysfunction. In patients 75% of women experience sexual dysfunction. At74% of men with erectile dysfunction, 88% experienced orgasm dysfunction, 85% experienced sexualdesire dysfunction, 86% experienced a satisfying sexual dysfunction, 89% overall satisfaction dysfunction.The suggestion in this research was expected FSFI and IIEF questionnaire could be used as a toolto monitor the presence of sexual dysfunction in Blitar.