Blackheads are a manifestation of acne, caused by sebum stagnation in hair follicles. Blackheads are caused by the opening of the hair follicle being connected to the outside world, and the sebum is oxidized by the air resulting in blackening, mostly accompanied by the enlargement of the follicle opening.1. Internal medication can be taken orally as isotretinoin capsules, viamin capsules, and viamin capsules, and can also be accompanied by anti-androgenic drugs, etc..2. Topical medication can be used as topical benzoyl peroxide gel, adapalene gel, etc..3. Use of fruit acids for After local disinfection, use acne squeezer to squeeze out the blackheads, and then apply fusidic acid cream externally for treatment. 5, don’t eat sweets, fried and pan-fried food and spicy food, and don’t stay up all night.