Blackheads generally refer to open pimples, which can be removed through skin cleansing, medication, chemical treatment and physical therapy. 1. Skin cleansing: Blackheads are mostly caused by high oil secretion, so you can use oil-control cleanser to clean the local oil secretion. 2. Medication: Vitamin A acid ointment, adapalene ointment and other medications can be used for treatment, which can play a role in dissolving keratin, antibacterial and anti-inflammatory. You can also use azelaic acid, benzoyl peroxide and other drugs, also has the above effect. 3. Chemical treatment: If the above methods are not effective, you can also use fruit acid peeling, that is, using a certain concentration of fruit acid, salicylic acid to promote the shedding and renewal of epidermal cells. 4. Physical: Treatment can be carried out by means of needle clearing, i.e. by sterilizing and using sterile tweezers to remove the contents of blackheads. Lasers such as intense pulsed light can also be used to remove blackheads. It is recommended that patients with blackheads go to regular hospitals for standardized treatment, and medications should be used as prescribed by the doctor, do not self-medicate.