Tinea pedis medically refers to tinea pedis, which is a superficial fungal infection caused by dermatophyte infection of the feet, and the main reasons for tinea pedis are not paying attention to foot hygiene, poor immunity, and cross-infection. 1. Don’t pay attention to foot hygiene: If you don’t pay attention to foot hygiene and don’t change shoes and socks, it may lead to fungal invasion and produce tinea pedis. 2. Poor immunity: usually the body’s immunity is poor, unable to resist foreign fungal infections, which may lead to the production of tinea pedis. 3. Cross-infection: if you often wear other people’s shoes or socks, often use other people’s bath towels, foot basin, may also lead to tinea pedis infected to themselves, so this disease will appear. Usually need to pay more attention to personal body care health care, if there is tinea pedis, it is recommended to actively seek medical examination, under the guidance of the doctor standardized treatment.