After tooth extraction, you can drink water, it is generally recommended to drink warm and cool water, not hot water or tea, and at the same time, after tooth extraction, if you spit out the cotton ball in about 30-40 minutes, you need to eat only after the anesthesia wears off, and you cannot eat during the period of anesthesia to avoid the phenomenon of tongue biting or cheek biting. Usually, if there are sutures in the intraoral wound, they need to be removed in about 7 days, and the wound should be kept clean and tidy, and you can use mouthwash, such as compound chlorhexidine gargle or open throat sword spray. It is recommended to take appropriate oral anti-inflammatory drugs for anti-inflammatory treatment, mainly cephalosporin, amoxicillin, etc., and can be used together with metronidazole and tinidazole tablets. Ice packs can be applied within 24 hours after tooth extraction, and cool foods such as ice cream and ice cream can be eaten, while hot packs can be applied after 24 hours. If there is severe pain or heavy bleeding, you should promptly go to the stomatology department for consultation.