Itchy feet may be caused by tinea pedis, eczema, diabetic foot and other diseases. 1. Tinea pedis: Tinea pedis is caused by dermatophyte infection, which can be transmitted through direct contact, indirect contact and other ways of infection, triggering factors include sweaty feet, wearing breathable shoes, etc., and the patient may have symptoms such as itchy, erosion and oozing on the surface of the feet. 2. Eczema: Eczema may be caused by heredity, immune abnormalities, hormone disorders, endocrine abnormalities and other factors, triggering factors include food allergies, contact with chemicals, etc., the disease appears in the feet will also appear on the surface of the itchy phenomenon. 3. Diabetic foot: diabetic foot is mainly the development of diabetes mellitus, diabetes mellitus control is not good, blood sugar long-term elevation, will lead to diabetic peripheral neuropathy, vascular lesions, may lead to itchy feet. The top of the foot itchy causes more, it is recommended that the patient to the hospital, clear cause, follow the doctor’s instructions for treatment.