Blackheads, also called blackhead pimples, are a type of open pimples that may be related to poor hygiene habits, endocrine disorders, exuberant sebaceous gland secretion, etc. They can be removed through home treatment, medication (azelaic acid, etc.), and physical therapy depending on the cause of the problem. 1. Bad hygiene habits: Blackheads may be formed due to bad living habits, which may cause dirt and other dirt to gather in the pore area. Patients need to keep the blackhead area clean, you can use facial cleanser to clean the affected area, and pay attention to the cleanliness and hygiene of bed sheets and bedding in normal life to avoid infection. 2. Endocrine disorders: If the patient has elevated androgen, it may cause blackheads. For blackheads caused by endocrine disorders, oral spironolactone, cyproterone and other drugs to improve. 3. Excessive sebaceous gland secretion: blackheads may be formed due to excessive sebaceous gland secretion. Sebaceous gland secretion can be reduced by topical retinoic acid cream and salicylic acid skin resurfacing treatment. If necessary, sebaceous gland secretion can be inhibited by laser treatment and photodynamic therapy. It is recommended that patients consult a doctor in time, strictly follow the doctor’s instructions for appropriate treatment, and avoid self-medication during treatment.