Hands and body grow a few small red dots very itchy may be the cause of eczema, atopic dermatitis, chronic actinic dermatitis, can be given glucocorticoids, antihistamines, light avoidance combined hydroxychloroquine treatment, respectively. 1. Eczema: acute, subacute or chronic itchy inflammatory skin disease caused by a variety of internal and external factors, clinical manifestations characterized by itchy red papules, papules, can be treated with topical glucocorticoid ointment such as hydrocortisone acetate. 2. Atopic dermatitis: genetically related chronic recurrent, itchy, inflammatory dermatosis with high IgE tendency and easily accompanied by asthma, attention should be paid to avoiding contact with allergens, and can be treated with antihistamine drugs such as oral cetirizine hydrochloride and loratadine. 3. Chronic photochemical dermatitis: refers to a group of chronic photomorphic reaction dermatitis due to the patient’s persistent light reaction to photosensitive substances, manifested as red papules with itching on the hands, face, neck, etc., which can be treated by strict avoidance of light exposure and oral hydroxychloroquine. If there are a few small red dots on the hands and body itchy symptoms, you should go to the regular hospital in a timely manner to clarify the cause of the doctor according to the specific circumstances of the development of individualized treatment programs, so as not to delay the condition.