Mouth spitting blood nose bleeding, this situation should first distinguish whether it is caused by trauma, if it is caused by trauma, should immediately seek medical treatment, by the surgical treatment of trauma suture, can quickly stop bleeding. If there is no trauma, we should consider whether the bleeding symptoms are caused by the nasal cavity, mouth, throat, digestive tract, respiratory tract and other systems and parts of the disease. If the amount of bleeding is small, you can try to find the bleeding point or site by yourself and apply Yunnan Baiyao to give external compresses on the bleeding point in order to stop bleeding. If the amount of bleeding is more, you can take 0.5-1 gram of Yunnan Baiyao orally at home first, and then consult a doctor quickly to clarify the cause of the disease and avoid delay.