The next morning after tooth extraction, woke up with blood in the mouth, if it is a small amount of blood can be observed; if the amount of bleeding is more, go to the hospital in time. 1. Observation: waking up with a small amount of blood in your mouth the next morning after tooth extraction is a normal phenomenon and does not require any special treatment. Avoid sucking on the wound repeatedly and do not eat too hot or too hard food. 2. Timely consultation: the next morning after tooth extraction, woke up more bleeding in the mouth, and active bleeding, timely consultation to the hospital, the extraction wound treatment, bleeding. If the coagulation function is abnormal, go to the hematology department in time. In order to avoid more than bleeding after tooth extraction, strictly comply with the post-extraction medical advice, do not repeatedly suck on the wound, in order to facilitate the formation of blood clots. If there is blood in the mouth on the second day after tooth extraction, it is best to go to the hospital in time to clarify the cause of bleeding and actively treat it, so as not to cause adverse reactions.