Scars are characterized by constant growth and high recurrence. It is difficult to avoid recurrence with a single treatment plan. Current scar treatment basically uses a combination of treatments, generally divided into surgical and non-surgical categories. Surgical treatment generally involves surgical excision plus post-operative suturing and laser combination therapy plus final radiation therapy; there are many non-surgical treatment methods, commonly injections, pressure, laser, etc. No matter which method will be chosen according to the patient’s own situation, the following points should be done before and after scar treatment: 1. Must do a good job of anti-relapse treatment The biggest difficulty of scarring is that it has a high possibility of recurrence, so anti-relapse treatment must be done simultaneously before and after the whole treatment. 2.Treatment of both the surface and the inside should restore the appearance of the scar, but also focus on the functional recovery of the regional skin tissue, including tension and immunity, metabolism, etc. More importantly, the normal sorting of fibroblasts should be restored to fundamentally reduce the possibility of scar recurrence. 3.After treatment, we should follow the doctor’s instructions. Regular follow-ups as requested by the doctor will enable the doctor to observe the condition of the scars in time and deal with them in time once we feel there is an abnormality. 4, after the healing diet is to be based on light avoid spicy and stimulating food, pay attention to reasonable rest time, and do a good job of sun protection.