Itchy skin on both hands and feet is usually a symptom of eczema, tinea versicolor, herpes sweat or palmoplantar pustulosis. You need to go to the hospital in time to get a clear diagnosis. 1. Hand and foot eczema is mostly caused by allergies, caused by skin contact with certain allergens. Manifestation of hands and feet symmetrically appear red spots, pimples or skin thickening, accompanied by intense itching. 2. Tinea versicolor is caused by fungal infection, transmitted through skin contact, and most of the fungus on the patient’s hands is transmitted from the feet. It manifests as dense blisters and flaking on unilateral hands or feet, with obvious itching, and the rash will gradually spread to both hands, feet or other parts of the body. 3. Sweat herpes is a special type of eczema, and the body’s immune system disorders. The main manifestation is the symmetrical appearance of deep blisters on both hands and feet, with thick walls that are not easy to rupture, and obvious itching. 4. Palmoplantar pustulosis is a special type of psoriasis that usually appears on the palms of hands and feet. It is characterized by the appearance of erythema and pustules on the skin, recurrent pustules, and intense itching during attacks. There may be other reasons why the skin of hands and feet are itchy, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, symptomatic treatment.