In the plastic surgery center of the Third Hospital of the City, they used lasers to remove scars. Laser scar removal has no side effects. Generally, it can scab after 2-3 days, and the scab naturally falls off after 7- 10 days. After the scab falls off, there will be slight erythema or pigmentation, but it will gradually disappear. Generally, the interval is 4-6 weeks, and the average recovery rate is 80-90% after treatment for about 5 times.