Most laser treatment may appear after the treatment site of a few redness, dryness or slight pain, some laser will also appear skin breakage, bleeding, crusting, so the post-laser care is very important, need to pay attention to the following points: 1, the laser site is not broken skin bleeding, available cold water or warm water gently clean, but do not use hot water and do not rub, there are skin breakage need to be morning and evening with sterile saline for 2, sometimes the laser site will appear skin redness and swelling, usually about 2-3 days will disappear, pay attention to protect the laser site to avoid friction, avoid high temperature environment, avoid strenuous exercise and a lot of sweating, keep clean, scab formation do not pick, grab, the best natural off; 3, pay attention to sun protection, because the skin will be very sensitive after laser treatment, excessive ultraviolet light After excessive ultraviolet radiation, some pigmentation will recur very quickly, and it is easy to leave pigmentation; 4, pay attention to water and nutrition supplement, avoid smoking, alcohol stimulating food, the best use of sterile medical mask for laser parts, drink more water, eat more vegetables and fruits; 5, pay attention to rest, keep enough sleep, keep a good attitude, recovery will be faster; 6, the formation of hyperpigmentation or hypopigmentation do not panic, you can take oral vitamin C Most people will get better after 1-3 months of recovery. If you do the above, you can usually get through the post-laser recovery period smoothly.