Erythema on the face may be caused by contact dermatitis, ringworm, lupus erythematosus, etc., which need to be eliminated by general treatment and medication. 1. For skin diseases, such as contact dermatitis, should be clear and away from allergens, avoiding soap and other irritants contact; can follow the doctor’s instructions for external hydrocortisone cream and other glucocorticoid drugs, oral cetirizine and other antihistamines, prednisone and other glucocorticosteroids, and so on. 2. Ringworm of the face: due to facial skin infection caused by fungi, can be given antifungal treatment, such as topical sertaconazole nitrate ointment, oral itraconazole capsule if necessary. 3. Lupus erythematosus: such as systemic lupus erythematosus, etc., can be prescribed oral chloroquine phosphate tablets and other anti-malarial drugs, prednisone and other glucocorticoids, azathioprine and other immunosuppressive agents. It is recommended that people with erythema on the face go to the hospital in a timely manner to clarify the cause of the disease and carry out standardized treatment under the guidance of the doctor to avoid delaying the condition. The above drugs need to be used in accordance with medical advice.