Acne is acne, and the treatment of acne needs to find the cause first. 14-year-old adolescents are mostly due to androgen secretion during adolescence, resulting in increased secretion of sebaceous glands and clogging of pores, or due to Propionibacterium acnes infection of pores, inducing inflammatory reactions, which can be treated for these reasons. 1. General treatment: maintain a healthy diet, eat more fresh vegetables and fruits, avoid eating greasy and spicy diets, and eat less High-sugar and high-fat food. The actual fact is that you will be able to get a lot more than just a few of these. If the acne is heavy, not only acne and pimples, but also pustules and cysts, or mild patients who have not been treated with topical medications, they can be systematically medicated with isotretinoin, antibiotics or even hormones. Note that the above drugs should be used under the guidance of a doctor and avoid self-medication to avoid serious adverse reactions; 3. Physical therapy: mainly includes photodynamic therapy as well as laser therapy, the former is suitable for mild to moderate acne and can reduce the inflammatory response; the latter mainly serves to reduce scarring and is suitable for patients whose acne has been controlled.