Some acne scars can be eliminated by themselves, in addition, they can also be eliminated through medication, physical therapy and other methods. 1. Self-elimination: Some acne scars with small area and shallow involvement can recover by themselves with the metabolism of the skin, and generally do not need special treatment, and the time of self-recovery is relatively long, which may be up to 3-6 months. Usually pay attention to local hygiene, avoid stimulating local skin. 2. Medication: If you want to get rid of acne scars as soon as possible, you can consider rubbing vitamin E, hyaluronic acid and salicylic acid, azelaic acid and other drugs, which can help to remove local scars and shorten the recovery time of acne scars. 3. Physical therapy: If acne scars are more serious and the effect of medication is not good, they can be treated with laser or cryotherapy. After laser or cryotherapy, you need to pay attention to local skin hygiene, avoid scratching and stimulating the skin, and it is recommended to do a good job of sun protection, which can prevent hyperpigmentation. Acne scars during the treatment need to eat a light diet, such as eating more vegetables and fruits, you can supplement vitamins, do not recommend eating spicy and stimulating food, so as not to cause some skin irritation. Specific treatment can consult a professional physician advice.