Itchy bumps on the hands from the sun may be related to conditions such as solar dermatitis, urticaria, and allergic drug rashes, which need to be clearly diagnosed and relieved by general treatment and medication (vitamin C tablets, etc.). 1. Solar dermatitis: This is an acute injury caused by exposure of the skin to ultraviolet rays. You can follow the doctor’s instructions to apply zinc oxide oil, glycerite lotion, etc. to relieve the symptoms. If there is obvious itching and pain, you can take oral cetirizine hydrochloride, ibuprofen extended-release capsules and other drugs. 2. Urticaria: sunlight exposure may induce solar urticaria (most patients are sensitive to UVB), resulting in the appearance of localized small pimples and wheals, with obvious itching symptoms. Usually about 24 hours will subside, if necessary, follow the doctor’s advice oral loratadine tablets, tretinoin tablets and other medications. 3. Metamorphic drug rash: may be eating certain drugs, followed by ultraviolet radiation stimulation caused by the symptoms. Can follow the doctor’s prescription vitamin C tablets, diclofenac tadine tablets, etc., if necessary, the use of dexamethasone injection and other drug therapy. The hands are sunburned itchy goosebumps, it is recommended that the patient to the regular hospital in a timely manner, after a clear diagnosis, strictly comply with the doctor’s prescription medication.