First aid for burns is to stay away from hot liquids, hot steam, lowering the temperature of the affected area, etc. Tissue damage caused by hot liquids, steam, etc. is known as a burn. After being scalded, it is important to stay away from liquids, hot air and other injury-causing substances immediately, and at the same time, the scalded area should be immediately rinsed with cold water. If necessary, the scalded area can be immersed in cold water, which can reduce the tissue oozing, and also make the capillaries contract, reduce the occurrence of blisters, and alleviate the local redness, swelling, and pain symptoms. After the scald, must not immediately remove the injured area of clothing, clothing may be adherent to the skin, forced removal will make the wound aggravated. You need to soak the clothes together in cold water, wait until the temperature drops, cut the clothes with scissors and cover the wound with clean gauze, which can reduce the chance of infection. While cooling down the temperature, you need to call the emergency number, and time patients to hospital. After being scalded, it is important to stay away from the heat source and cool the scalded area immediately, and at the same time call the emergency number and send the patient to the doctor in time to avoid aggravation of the condition.