Tinea pedis is generally referred to as ringworm of the foot, and the causes and symptoms of tinea pedis and tinea cruris are different. 1. Tinea pedis: Tinea pedis is mainly caused by fungal infections such as Trichophyton rubrum and Trichophyton mustelii, or triggered by humid environments, impaired immune function and other factors. Patients will appear in the foot small blisters, erythema, itching and other symptoms, or may be accompanied by skin thickening roughness, dryness, flaking and other symptoms. 2. Sweat herpes: the cause of sweat herpes is not yet clear, may be local allergies, emotional stress, local infection and other factors. Patients will appear in the hands or feet blisters of intense itching, often symmetrical distribution, accompanied by tingling, burning sensation, some patients may also appear sweaty hands and feet. Once the symptoms of suspected tinea pedis or herpes sweat, it is recommended that patients go to the regular hospital in time, clear diagnosis, and follow the doctor’s instructions for treatment.