Rash on the hands is considered to be acute eczema, tinea cruris, palmoplantar pustulosis, etc. The main treatment is medication, which should be chosen according to the cause of the disease and appropriate medication. 1. acute eczema: eczema cause is not particularly clear, is a chronic inflammatory skin disease, mainly with medication, if there is no oozing, you can choose glycerine lotion, tretinoin cream, if oozing more, need to use boric acid solution wet compresses, after the skin is dry, then the use of glucocorticosteroids such as halomethasone ointment. 2. Ringworm: If the hands are in the state of moisture for a long time, or if the patient has tinea pedis, the fungus may cause the infection of the hands, erythema, flaking, you can apply naftifine, terbinafine, ketoconazole, etc., and when the symptoms are more serious, you can take terbinafine and itraconazole orally. 3. Insect bite dermatitis: after being bitten by insects, it will react to the secretion of insects, and some patients will have red rash. Usually there are no other symptoms, do not need special treatment, if there is itching can be coated with glycerite or use soap and water to wash. There may be other reasons for the rash on the hands, it is recommended to consult a doctor in time to clarify the cause of the standardized treatment, the above drugs should be used in accordance with the doctor’s instructions.