Itchy blistered feet may be caused by ringworm of the feet, sweat herpes, eczema and other diseases. 1. Tinea pedis: this disease is mainly caused by the infection of Trichophyton suis and Trichophyton rubrum, which can be transmitted through direct contact or indirect contact, and the common risk factors include impaired immune function and sweaty feet. Some patients will have small blisters, itching and painful sensation on the feet. 2. Sweat herpes: the cause of the disease is not yet clear, may be related to dermatophyte infection, intravenous immunoglobulin, local allergies, excessive mental stress, ultraviolet radiation and other factors. The main manifestation is the appearance of intensely itchy blisters on the hands or feet. 3. Eczema: Studies have shown that the causes of this disease include genetics, immune abnormalities, hormone level disorders, chronic infections, metabolic diseases, etc., which can be triggered by contact with allergens. Eczema can occur in any part of the body surface, such as the head, face, feet, etc. It can be manifested as blistering and itching feet, which can be accompanied by erosion or exudate. It is recommended that patients with blistering and itching feet go to the hospital in a timely manner to clarify the specific cause, follow the doctor’s instructions for treatment, and strengthen the care of the foot skin at the same time.