Tinea unguium is an infection of the nail plate caused by the fungus Dermatophyta. Themajority of the livelihood in Dusun Ballakale Desa Aska Kecamatan Sinjai selatan Kabupaten Sinjai is farming where the habit of farmers in this area is to work on rice fields that are in direct contact with soil, water and mud for a long time without wearing protective equipment, one of which is boots to protect the feet. Nails that are in direct contact with soil or mud for a long time and are rarely cleaned can trigger fungal growth. The purpose of this study was to determine the presence or absence of a dermatophyte fungus that causes tinea unguium on farmers' toenails and to determine the type of dermatophyte fungus that causes tinea unguium on farmers...