Dense pimples are usually referred to as acne, and you can choose general treatment, medication or physical therapy to relieve the symptoms. 1. General treatment: It is necessary to pay attention to skin hygiene and insist on washing the skin with sulfur soap. At the same time, you should not use irritating skin care products and make-up products in the short term, or else it will cause clogging of pores. Diet should be low fat, low sugar, low calorie. 2. Medication: For mild or moderate acne, you can apply retinoic acid ointment, oral isotretinoin; combined with inflammation and infection, then apply clindamycin ointment, erythromycin ointment and so on. The medication should be used according to the doctor’s prescription. 3. Physical therapy: if there is a mild or moderate lesions, it is recommended to use red and blue light irradiation therapy; and for more serious intensive acne, you can directly do laser irradiation therapy. During the period of removing acne, you should go to the hospital regularly for review, and adjust the treatment program according to the recovery situation. During the period, you should avoid squeezing the pimples with your hands to avoid infection and pigmentation, which will affect the aesthetics.