The common causes of dry and itchy heels include tinea pedis, eczema and other diseases. 1. Tinea pedis: this disease is mainly caused by dermatophyte infection, common causative species include red trichophyton, trichophyton and gypsum-like microsporidium, etc. The common type of tinea pedis in the heel area is scaly and keratinized tinea pedis, which manifests itself as roughness, thickening, desquamation, and dryness of the diffuse skin of the heel and the soles of the feet and is prone to chapping or even hemorrhage in winter, and can be accompanied by pain. 2. Eczema: the cause of this disease is unknown, may be related to infection, endocrine and metabolic changes, local irritation, environmental changes, allergies and other factors, occurring in the foot can appear on the soles of the skin thickening, keratinization, itching and other symptoms. Dry and itchy heels may also be other diseases, it is recommended to go to the regular hospital dermatology consultation, follow the doctor’s instructions to clarify the diagnosis, active treatment.