Tinea pedis is a superficial fungal disease of the skin of the foot caused by contact infection of the skin of the foot by the dermatophytes. Foot fungus, also known as tinea pedis, is a superficial fungal disease of the skin, a superficial fungal infection caused by dermatophytes that invade the skin of the foot, often involving the inter-toe, metatarsal, heel, and lateral edge of the foot locations. Common dermatophytes include Trichophyton rubrum, Microsporum, and S. epidermidis. Fungal infections are mainly transmitted by contact, scratching the affected area, or sharing shoes, socks, footbaths, and towels with patients with tinea pedis. Most cases involve both sides of the foot, and often spread from one side to the other. In addition, the soles of the feet and between the toes have no sebaceous glands, and thus lack of fatty acids that inhibit the skin filamentous fungi, physiological defense function is poor, while these parts of the skin sweat glands are very rich, for the soles of the feet sweat more, do not pay attention to the foot cleanliness and hygiene and shoes and socks, for the fungi to provide a good environment for the growth of the fungus, but also get tinea pedis the main reason. When the appearance of tinea pedis, under the guidance of the doctor, timely and thorough treatment.