The red rash on the face, should be based on the cause of the choice of what ointment to use, contact dermatitis can use compound dexamethasone ointment, hydrocortisone ointment; acne can be applied to Vitamin A acid ointment, adapalene gel; folliculitis can be used erythromycin ointment, mupirocin ointment. 1. Contact dermatitis: the skin on the face may cause an allergic reaction when it comes into contact with external sensitizers, resulting in a red rash on the face, itching and other symptoms, you can use compound dexamethasone ointment, hydrocortisone ointment and other glucocorticosteroid drugs. 2. Acne: Acne may also cause a red rash on the face, which may appear as red papules, pimples, nodules, etc. You can apply retinoic acid ointment. You can apply retinoic acid ointment, adapalene gel, and in severe cases, oral doxycycline and isotretinoin are needed. 3. Folliculitis: Bacterial infection of the hair follicles on the face may also lead to a red rash on the face, accompanied by pain and other symptoms. You can use antibiotic ointment such as erythromycin ointment and mupirocin ointment for treatment. There may be other reasons for the rash on your face, so you need to go to the hospital for a checkup to determine the cause of the rash and follow the doctor’s instructions for medication.