Spitting blood should be considered from the oral side of the problem, but also to rule out whether there is a systemic disease caused by the bleeding tendency. First of all, it should come from oral problems, the more common for gingivitis, can cause gum swelling, pain, and at the same time there is a certain amount of bleeding, spitting spit will be bloody material. It can be diagnosed under the observation of a dentist, and can be effectively cured by actively giving anti-infective and symptomatic treatment. Secondly, attention should be paid to exclude whether there are systemic diseases, such as a variety of pathogenic factors caused by the body’s coagulation dysfunction will cause bleeding tendency, bleeding gums is the most common manifestation, but also the most common parts. It can be diagnosed through the coagulation function, blood routine and the corresponding clinical manifestations, and the treatment of the primary disease should be carried out, with the recovery of the primary disease, the symptom of blood in the saliva can be improved very well.