The causes of red pimples on the face include allergy, measles, scarlet fever, rubella, etc. The treatment mainly includes oral and topical medication. 1. Allergy: If the red acne is caused by allergy, you can use local topical beclomethasone dipropionate, fluticasone propionate and other anti-inflammatory treatment. 2. Measles: For patients with measles virus infection, it should be reported in time, and ibuprofen and other medicines can be given to relieve fever when there is fever. 3. Scarlet fever: If it is scarlet fever, penicillin, erythromycin and other drugs can be given antibacterial treatment at this time. 4. Rubella: if the patient is infected by rubella virus, you can give acetaminophen and other drugs to relieve fever and analgesic treatment. Finally, the phenomenon of red pimples on the face, please consult a doctor in time, the above drugs need to follow the doctor’s advice.