Drinking hot water scalded to the mouth should be immediately cooled down, the oral temperature is reduced in the scalded area after the application of drugs to prevent infection. 1. Cooling: You can reduce the local temperature by gargling cool water to lower the oral temperature and prevent further damage to the local tissues caused by heat. 2. Apply medication: When the temperature is lowered, if the mucosal tissues in the mouth are red, white or have blisters, you can apply povidone-iodine or gargle Rehabilitation New Liquid to disinfect the area, and then locally apply antibacterial medication, such as chlorhexidine. Those with obvious blisters and severe burns should go to the hospital in time, which can prevent wound infection. In addition to the above treatment measures, in order to promote the recovery of the tissues at the scalded area, the diet should be careful to avoid eating hot or hot food, it is recommended to take a warm and cool diet during the recovery period. Use medication under the guidance of a physician.