Tinea pedis is a superficial fungal infection caused by dermatophytes that invade the smooth skin between the toes, on the toes, on the heel, and on the lateral margins of the foot. Itraconazole treatment for tinea pedis usually starts to work in about 1~2 days. Itraconazole has a rapid onset of action, with drug concentrations peaking 2 to 5 hours after oral administration and a half-life of about 17 hours. Patients with tinea pedis begin to die in large numbers 1 to 2 days after taking the drug, and symptoms such as itching and blistering can be gradually reduced. The rate of clearance of this product from the skin is slower than that of plasma, so patients with tinea pedis can achieve optimal efficacy 2-4 weeks after stopping the drug. Itraconazole capsule is a commonly used antifungal drug, which has good efficacy for a variety of parasitic fungi such as Candida, sporotrichum, yeast, etc. It is commonly used in fungal skin diseases, ophthalmic diseases and gynecological diseases. It is effective for ringworm, lichen planus, candida glans, candida vaginitis and other diseases. Itraconazole capsule has a certain effect on the liver, may lead to transaminase elevation, the liver and kidney function should be checked before using the drug. A small number of patients taking the drug after taking the drug with nausea, skin erythema itching, abdominal pain and other symptoms, after stopping the drug most of them can recover by themselves. Itraconazole belongs to the prescription drugs, need to be used under the guidance of a doctor, patients with tinea pedis should consult a doctor in a timely manner, do not take medication without authorization.