Our work’s aim is to talk about a case of subungual exostosis of the great toe, benign tumor which is rare among patients above 50 years associated with bearing of tight shoes and to bring our therapeutic experience through observation of a 51 years old patient. It surgical management has consisted in completing the excision of the lesion and histopathology are mandatory for the diagnosis. The post-surgical follow up have been simple. The clinical and para clinical controls that have been done within 6 to 12 months didn t show any relapse.