Blackheads belong to a symptomatic type of common acne, which generally cannot be completely removed, but can be improved through general treatment and medication. 1. General treatment: In daily life, patients can choose water or suitable cleansing products, so as to remove the excess oil on the skin surface, but need to avoid over-cleaning, and do not squeeze or scratch the lesions with hands. Life conditioning has the effect of improving the symptoms. 2. Drug treatment: patients can use topical retinoic acid drugs, such as isotretinoin gel, retinoic acid cream, or topical benzoyl peroxide gel. Most patients can improve the symptoms of blackheads after standardized medication. Patients using drugs are required to be under the guidance of the doctor, do not use drugs without authorization.