Pimples here refer to red bumps. Small red pimples on the body may be the cause of cherry angioma, Malassezia folliculitis, papular urticaria and so on. 1. Cherry hemangioma: also known as senile hemangioma, is a benign lesion of the skin, and age-related factors, mainly due to capillary hyperplasia, resulting in the end of the expansion of the formation of small red pimples on the body. 2. Malassezia folliculitis: long-term use of glucocorticoid drugs, or antibiotics, can cause immune function abnormalities, resulting in a large number of hair follicles Malassezia growth and reproduction, secretion stimulation can be caused by hair follicle congestion and swelling, may also be manifested in the body of the red small acne. 3. papular urticaria: and mosquito bites, infections, allergies, immune response, may also lead to the symptoms of red pimples. Red pimples on the body, there may be other reasons, it is recommended to go to the hospital in time to check the cause of the disease and follow the doctor’s instructions.