There are many ways to remove back stale acne marks, mainly the following: First, you need a lot of hydration and moisturizing, you need to apply topical moisturizing cream after each bath and cleaning, which can effectively improve the inflammatory marks before the damaged skin can be repaired, which has a very good effect on the removal of acne marks. Second, eat more fruits, vegetables and other foods rich in vitamin C, to promote the recovery of the skin. The third, you can use topical recombinant bovine alkaline fibroblast growth factor gel, the skin of the acne marks have a good repair effect, avoid sunburn again, go out to wear a hat, umbrella, wear sunscreen clothing, sunscreen, bath do not use too hot water, easy to damage the skin again.