Blackheads, pimples, pustules, and cysts are symptoms of acne. Blackheads, pimples, and closed mouths are classified as class I acne, inflammatory papules are classified as class II acne, pustules are classified as class III acne, and cysts are class IV acne. Patients can take general treatment, medication, physical therapy and other methods to improve symptoms. 1. General treatment: It is recommended that patients with acne should eat less high-sugar and high-fat food, such as cream cakes and hot pot. Patients should adopt a healthy routine and avoid staying up late. Patients should use skin care products and cosmetics that are not easy to clog pores, and should remove make-up promptly after applying it. 2. Medication: Patients with grade I and II acne have mild symptoms and can use medications such as retinoic acid cream and benzoyl peroxide gel as prescribed by the doctor; patients with grade III and IV acne have more severe symptoms and should take oral retinoic acid, antibiotics or hormones in addition to topical retinoic acid medication as prescribed by the doctor. 3. Physical therapy: Acne patients can also take physical therapy, such as red and blue light irradiation, photodynamic therapy, laser therapy and other methods to reduce oil secretion, reduce inflammation. In addition, patients can also under the guidance of the doctor, fruit acid peeling treatment, regulating oil secretion, promote the shedding and renewal of the epidermis. It is recommended that patients with blackheads, acne and pustules go to a regular hospital in time and follow the doctor’s instructions for standardized treatment.