The red bumps on the face may be considered acne, common warts, allergic dermatitis, as follows: 1, acne: due to Propionibacterium acnes infection, endocrine disorders caused by inflammatory diseases, patients can use topical clindamycin phosphate gel or mupirocin ointment; 2, common warts: due to human papilloma virus infection after excessive scratching, local bacterial invasion caused by. The patient can appear gray-brown or dark red papules, scratching can appear red, swollen, painful; 3, allergic dermatitis: due to contact with cosmetics, sunlight ultraviolet radiation or contact with animal fur allergies.