The common causes of dry cracked fingers with hard skin include eczema, tinea cruris, and exfoliative keratolysis, etc. It is necessary to treat the cause of the disease by choosing the appropriate medication, such as glucocorticosteroids and antifungal drugs. 1. Eczema: if there are obvious itching symptoms on the hands, it can be treated with topical antipruritic agents, such as glycerine lotion, zinc oxide ointment, etc.; when there is no secretion on the surface of the skin, it can be treated with topical glucocorticosteroids, such as hydrocortisone cream, dexamethasone ointment, etc.; if the itching is severe, it can be treated with oral antihistamine drugs, such as loratadine, cetirizine, etc.; and ultraviolet radiation therapy can be given when necessary. 2. Ringworm: mainly caused by fungal infection, the condition is mild, can be used externally antifungal drug treatment, such as ketoconazole ointment, Butenafine, etc.; the condition is more serious, can be taken orally antifungal drug treatment, such as itraconazole, terbinafine, etc.; keratinous thickening of the serious cases, but also externally keratolytic agent treatment, such as salicylic acid ointment, etc.; secondary infections, erythromycin and other antibiotics can be used to treat. 3. Exfoliative Keratolysis: This disease requires external exfoliant treatment, such as salicylic acid ointment, vitamin A acid ointment, etc.; such as skin dryness is obvious, can be used externally moisturizing agent treatment, such as urea cream, etc.; the condition of the serious cases, the external use of glucocorticosteroid treatment, such as tretinoin acetate cream, etc.; if necessary, can also be combined with oral vitamin therapy, such as vitamin A, vitamin B, etc.. It is recommended that patients go to the dermatology department of the regular hospital in time, after a clear diagnosis, follow the doctor’s instructions to take the appropriate drugs for treatment, not blindly self-medication.