Usually, you cannot eat 2 hours after tooth extraction, but after 2 hours, you can eat fluids or semi-fluids, and it is better to choose warm and cool food, such as milk, millet porridge, ice cream, egg custard, etc. You should not eat too hard or too hot food. Wait for 2-3 days after the wound healing and then gradually normal diet. Coffee meets the dietary requirements after tooth extraction, but hot coffee should not be consumed, so as not to cause vasodilatation at the extraction site, so that the newly formed clot is dislodged, resulting in bleeding, and in severe cases, the extraction wound site may become infected, which may hinder the healing of the wound. Therefore, coffee can be consumed as liquid food. You should brush your teeth 24 hours after tooth extraction to keep your mouth clean. It should be noted that although you can drink coffee after tooth extraction, but because coffee has a certain excitatory effect, if there are people with poor quality of sleep, it is better not to drink, so as not to cause insomnia and poor rest, affecting recovery. After tooth extraction for the more sensitive period, should be under the guidance of the doctor to eat, avoid unauthorized diet.