Adults with rice-like bumps on the back of the hand may be related to eczema, common warts, contact dermatitis and other causes, the cause of the general treatment, drug therapy, surgical treatment. 1. For eczema, the primary contraindication is friction and scratching, can follow the doctor’s instructions for the external use of hydrocortisone ointment and other glucocorticoid drugs, tacrolimus ointment and other calcium-modulated neural phosphatase inhibitors, and so on. 2. For warts caused by common warts, you can follow the doctor’s instructions to apply 40% salicylic acid ointment and other salicylic acid medication, Vitamin A cream, Zanthoxylum, etc.; drug treatment is ineffective, the feasibility of laser, surgical excision treatment. 4. contact dermatitis, should be away from allergens or irritants; follow the doctor’s instructions oral cetirizine and other antihistamines, such as loratadine, serious cases can be given to prednisone and other glucocorticosteroid drug therapy. It is recommended that adults with rice-like bumps on the back of the hand go to a regular hospital in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor.