General forehead acne under bangs is due to local skin inflammation caused by the proliferation of Propionibacterium acnes in the sebaceous glands of hair follicles, and can also be induced by endocrine, dietary, and mental factors. Patients can first exclude the triggering factors and then take medication according to the guidance of a doctor or pharmacist. The relevant contents include the following: 1. Avoid blocking pores: Patients can clip their bangs to reveal their foreheads, or they can wash their faces with a de-greasing cleanser to prevent pore blockage and keep local air permeability, thus gradually relieving symptoms; 2. Adjust lifestyle habits: Adjust lifestyle, mental and emotional, and dietary habits to avoid The patient can use mupirocin ointment topically as prescribed by the doctor, which has anti-inflammatory effect. You can also use topical peroxymethylphenidate gel, adapalene gel, ketamine gel, erythromycin isotretinoin gel, and retinoic acid cream, which have the effect of inhibiting Propionibacterium acnes, reducing sebum secretion and reducing inflammation, thus eliminating forehead acne. 4. Oral medications: Patients can also take oral medications, including roxithromycin, clarithromycin, and cephalosporin anti-inflammatory drugs, as well as oral Chinese medicines, such as Acne relief pills, Zhenhuang tablets, etc. In addition, patients should be careful not to apply cosmetics that shrink pores and avoid washing the face with soap. Also, when using topical benzoyl peroxide gel or adapalene gel, it should not be used together with retinoic acid cream, which may aggravate the dryness of the skin.