Do not eat or drink for 2 hours after tooth extraction, thereafter you can eat and have cake. However, it is recommended to eat it after 24 hours. After eating the cake, patients should try to rinse their mouth gently to prevent the crumbs of the cake from falling into the extraction socket and to prevent infection of the extraction socket. Generally, you can’t drink or eat within 2 hours after tooth extraction. 2 hours later, you can eat liquid or semi-liquid food, such as dried noodles in soup, soft noodles, millet porridge, etc. It can replenish the nutrients needed by the body. It can replenish the nutrients needed by the body and will not affect the wound healing. Twenty-four hours after tooth extraction, you can eat food such as rice and cake, but it is best to chew food on the side where the tooth was not extracted. After tooth extraction, you should follow the doctor’s instructions to do a good job of postoperative care, maintain oral hygiene, and promote the wound to heal as soon as possible.