Tinea corporis in men is mainly caused by dermatophyte infection, which can be spread through direct contact or indirect contact, or through the spread of their own ringworm and onychomycosis infections. Tinea corporis is a superficial part of the skin that occurs in addition to the scalp, hair, nails, palms and metatarsals, and can be caused by infection with Trichophyton rubrum, Trichophyton mentagrophytes, and Trichophyton canis. Ringworm is contagious and is contracted through direct contact with the source of infection, or by contact with items that the source of infection has touched. Tinea corporis can also be triggered by fungal infections such as ringworm and onychomycosis. Especially obesity, diabetes, long-term application of glucocorticoid drugs, are susceptible people. If men have ringworm, it is recommended to go to the regular hospital, under the guidance of the doctor to take relevant treatment measures.