Possible causes of itchy soles of feet include tinea pedis, plantar eczema, frostbite and contact dermatitis. 1. Tinea pedis: poor hygiene, hot and humid weather, often wearing breathable shoes and socks and other factors may cause fungal infections in the feet, leading to the occurrence of tinea pedis; the protein in the stratum corneum of the plantar skin is relatively rich, which is conducive to the growth of fungi. Tinea pedis often manifests as itching, blisters, scaling, maceration, erosion and other symptoms. 2. plantar eczema: immune dysfunction, chronic infection, endocrine disorders and other factors may lead to the occurrence of eczema on the bottom of the patient’s foot, mainly manifested as itchy soles of the foot, erythema, blisters, scales, moss-like changes and other symptoms. 3. Frostbite: If the patient’s feet are exposed to a cold, wet environment, it may lead to vasospasm and contraction of the patient’s plantar skin vessels, resulting in plantar tissue hypoxia, cellular damage, leading to the occurrence of frostbite, which manifests symptoms such as itching, swelling, erythema, blisters, ulcers, pain, and other symptoms of the foot. 4. Contact dermatitis: If the itchy soles of the feet have been in contact with metal products, chemical materials, pollen, animal fur and other allergenic substances before the occurrence of contact dermatitis may lead to the occurrence of contact dermatitis of the feet, thus causing itching, erythema, papules, swelling, blisters and other symptoms. If there is a clear history of exposure, itchy soles may be caused by contact dermatitis. It is recommended that patients with itchy soles go to the hospital to clarify the cause of the disease and follow the doctor’s instructions for treatment.