After laser fractional surgery, we should pay attention to keep the wound clean, do a good job of sun protection, more hydration, pay attention to diet and other aspects, as follows. 1. Maintaining the cleanness of the wound: when the scab falls off, patients can use sterile saline to clean the face and keep the wound clean. 2. To do a good job of sun protection: fractional laser recovery during the skin barrier ability will be reduced, easy to affect the recovery of wounds, ultraviolet radiation can accelerate facial skin aging, resulting in pigmentation, so it should be strict sun protection. 3. Hydration: fractional laser will damage the skin stratum corneum and thus reduce the skin’s ability to lock water, some patients will feel dry and taut facial skin after fractional laser, patients should drink more water after the operation and use more medical masks to replenish water to deal with. 4. Pay attention to diet: during the recovery period, do not eat spicy and stimulating food, such as barbecue, etc., you can eat more fresh fruits and other foods rich in vitamins. If you have any discomfort after surgery, please consult the doctor in time and treat it positively so as not to miss your condition.