The damage from a large explosion at a factory in Kunshan was severe. According to reports, most of the injured had more than 90% burns from the situation they were sent to the hospital, and the least injured had more than 50% burns, almost all of them were deeply burned. Medical institutions immediately performed tracheotomies for more than half of the burned patients to assist them in breathing. Siping Central Hospital Hand Surgery Department Zhou Le Heaven is unpredictable and no one can predict the impending danger, so plan ahead and master what you should do the first time you encounter burns to protect yourself and also protect those around you. Encounter burns, you should immediately do what first aid five words: flush → off → soak → cover → send flush: reduce skin temperature: quickly leave the heat source to avoid continued injury, rinse with tap water for more than 10 minutes to cool the temperature of the trauma as soon as possible, so that the burn site remains cool until the pain relief. Do not worry about possible infection. If tap water is not available, well and river water can be used. Remove: After adequate rinsing and soaking, remove clothing carefully under cold water. You can use scissors to cut the clothing, never forcefully peel off any clothing to avoid breaking the blisters. As the altered part and adjacent parts will swell after the burn, remove the ring, watch, belt, writing, etc. before the injury is swollen to prevent the swelling of the limb from being removed and causing poor blood flow. Soak: The main role is to relieve pain, and it is important that the rinse in the very early stages of the burn can reduce the extent of the burn. For those with significant pain, continuous immersion in cold water can be done for 10-30 minutes. Cover: Use clean or sterile gauze or cloth to cover the wound and secure it. This will reduce outside contamination and irritation, help keep the wound clean and reduce pain. Do not apply herbs, toothpaste, vinegar, soy sauce, etc. to the wound; such items may cause bacterial infection of the wound and may aggravate the depth of the burn. Transport: Transfer to a hospital for further formal treatment.