Generally, you can eat only after two hours after tooth extraction, and it is recommended to eat liquid diet or soft food, avoiding spicy and stimulating food, as well as food that is too cold or too hot. Cake is a softer dessert and is usually kept at room temperature or low temperature, not too hot or too cold. Generally, it can be eaten after tooth extraction because sweet food can provide a certain amount of heat to cope with the traumatic reaction caused by the body after tooth extraction. Therefore, it can be eaten in moderation. However, after eating cake, we should pay attention to the cleanliness of the mouth, and can rinse the mouth after 24 hours after tooth extraction, so as not to leave food residues in the wound, thus contaminating the wound, for the wound is easy to cause infection. After the extraction of teeth must do a good job of oral hygiene and cleanliness, brush your teeth diligently, so as not to affect the recovery.