Commonly used topical ointments are mainly retinoic acid cream. 1.The starting treatment may be temporarily aggravated for a few weeks, but it should be treated continuously for more than 6 weeks to achieve the maximum effect. 2, Avoid contact with eyes and mouth and nose. 3, the use of drugs during pregnancy is strictly prohibited, nursing women must stop breastfeeding during the use of drugs. Avoid sunlight on the medicated area. 5, every night before going to bed after washing the face local skin lesions point-like coated 1 time. Other ointments such as sulfur ointment can also be used.