First aid 1.Gargle with salt water or wine a few times to reduce or stop toothache. 2, rubbing with water or using fingers to massage and press the Hegu point (near the tiger’s mouth on the back of the hand) can reduce the pain. 3, If the tooth is hot and painful, it is mostly caused by the accumulation of pus, and the pain can also be relieved by applying cold compresses to the cheek with an ice pack. Prohibit Do not eat sugar, cookies and other starchy foods before going to bed. Do not eat too hard food, eat less too acidic, too cold, too hot food. Caution 1. The key to prevent toothache is to maintain oral hygiene, so make it a good habit to brush your teeth in the morning and evening and rinse your mouth after meals. When brushing your teeth, apply the “horizontal trembling plus vertical brushing method”, requiring the direction of movement to be consistent with the direction of the teeth, which can achieve the purpose of massaging the gums, but also improve the blood circulation of periodontal tissues and reduce the occurrence of dental disease. 2, impatient temper, easy to anger will induce toothache, so it is desirable to be open-minded, emotional tranquility. 3, pain relief is not the same as treatment, when the above methods can not stop the pain, should be promptly sent to the hospital for emergency treatment.