Dermatophytosis is one of superficial mycosis that invade keratin which is located in stratum corneum, hair, and nails. Transmission can occur directly and indirectly. One of risk for dermatophytosis is poor personal hygiene. The purpose of this study was to know the relation of risk factors to the incidence of dermatophytosis in elementary school 10 students Bathin Solapan Regency Bengkalis. T…