There are a lot of small red dots on the body without pain or itching, may be cherry angioma, may also be allergic purpura, etc. Different diseases are handled differently, should be judged by the doctor, if necessary, give targeted treatment, including physical therapy, drug therapy, etc.. 1. Cherry angioma: mostly seen in middle-aged and old people, mainly manifested as small red papules with the size of rice grains, and patients have no conscious symptoms. There is no need for special treatment for this disease. If it affects the aesthetics and there is a need for treatment, it can be treated in hospitals by laser treatment and other methods. 2. Anaphylactic purpura: mainly manifested as skin purpura, painless, itchy, serious cases can involve joints, joint swelling, pressure pain and other symptoms. Treatment requires avoidance of suspected allergens and symptomatic, supportive therapy. Promote the excretion of allergens by giving sufficient fluids, pay attention to daily rest, and topical glucocorticosteroids such as Dinaid ointment as prescribed by the doctor. There are many small red dots on the body that do not hurt or itch, you should consult a doctor in time, and the doctor will make a judgment and give appropriate treatment if necessary.