The soles of the feet are very hard like dead skin, considering callus, eczema, tinea pedis. 1. Callus: callus and long-term mechanical stimulation caused by excessive hyperplasia of the skin stratum corneum, but also consider the foot deformity, walking posture abnormalities. Callus is mainly manifested as skin thickening, roughness, some patients also appear local skin hardening, dryness and other symptoms. So when the feet have callus, can be manifested as the sole of the foot skin is very hard like dead skin. 2. Eczema: the disease is related to genetic factors, immune abnormalities, hormone level changes, chronic infections and other foci. Patients in the acute stage will appear erythema, edema, blisters, etc., subacute period can be manifested as redness, swelling, vesicles crust or flaking, etc., while the chronic period is mainly manifested as skin roughness and thickening, erythroplasia, can also be manifested as the soles of the feet is very hard like dead skin. 3. Tinea pedis: tinea pedis is mainly caused by fungal infections, and sweaty feet, improper personal hygiene are triggering factors. Tinea pedis can cause some patients to have very hard soles of the feet like dead skin, but also easily accompanied by peeling, dry skin cracking and itching and other symptoms. It is recommended that those with hard, dead skin on the soles of their feet seek medical attention in order to determine the cause of the condition and then follow the doctor’s instructions for treatment. Pay attention to daily skin care and try to wear loose shoes.