Vaginal melanoma is a rare malignant tumor that is aggressive, with a bad prognosis, affecting women in their 6th and 7th decade of life. The factors contributing to its development are not well known. Vaginal melanomas constitute 0.3% of all malignant melanomas and less than 3% of all vaginal carcinomas. To date, there is no clear consensus concerning treatment. A precise and early diagnosis and rapid investigations are essential to arrive to appropriate therapeutic decisions. We described inthis article acase of 31 years old women with primary vaginal melanoma. Our purpose is to focus specealy on management particularitis of this rare gynecological malignant tumor.