Ways to reduce scarring after skin injuries include timely disinfection and debridement, changing medication on time, and using scar removal products. 1. Timely disinfection and debridement: When the wound is contaminated, it must first be rinsed with saline, disinfected with alcohol or iodine, and if necessary, debrided, sutured or injected with tetanus vaccine under the operation of a doctor, which is conducive to the early recovery of the wound and reduces the risk of infection. 2. Change the dressing on time: Changing the wound dressing in time helps to keep the wound clean, and the wound dressing can cover and protect the wound, keep the wound clean to promote healing. 3. Use scar removal products: the larger and deeper the wound the greater the risk of scarring, to prevent scar tissue proliferation by using allantoin gel, human collagen silicone and sodium heparin sodium allantoin gel as prescribed by the doctor after the wound scabs have fallen off. It is recommended that patients with skin injuries go to a regular hospital if necessary, under the guidance of the doctor’s treatment, and follow the doctor’s instructions for the use of medication.