Broken skin on the feet may be foot fungus, or it may be caused by diseases such as eczema, exfoliative keratolysis, and herpes sweating. 1. Foot fungus: foot fungus, also known as tinea pedis, is a skin disease caused by fungal infections, patients may experience skin peeling, blisters, itching and other symptoms. 2. Eczema: Eczema is an inflammation of the superficial dermis and epidermis caused by a variety of reasons. When eczema occurs on the feet, it may cause symptoms such as blisters, flaking, broken skin, etc., and most of the patients are accompanied by itchiness and redness of the skin. 3. Exfoliative Keratolysis: Exfoliative Keratolysis is a superficial exfoliative dermatosis of the stratum corneum of the palm and plantar areas, which is mainly characterized by scaling, skin peeling, and so on, accompanied by local dryness and sweating in severe cases. 4. Sweat herpes: Sweat herpes is a blistering skin disease that occurs on the hands and feet, patients often appear sweaty hands and feet, peeling, and accompanied by varying degrees of burning and itching and other symptoms. It is recommended that the patient timely medical examination, clear causes for targeted treatment, pay attention to hygiene in life, avoid scratching when itching, to prevent rupture secondary infection and so on.