Tooth bleeding is serious, definitely need to go to the hospital to check, first of all, to see how serious to what extent, in the Department of Dentistry gum bleeding is graded, it is recommended to go to the Department of Dentistry to view the grading, and then perform further treatment. The most common cause of bleeding teeth is gingivitis, gingivitis generally refers to local inflammation of the gums, which can be solved by supragingival scaling, that is, scaling of the teeth, which is done by means of ultrasound to make the local plaque and calculus get cleared to achieve the purpose of periodontal health, which can generally alleviate 90% of the gum problem. If the gum bleeding is more serious, other diseases should be considered, such as blood diseases, including leukemia, hemophilia, or long-term oral anticoagulant drugs, such as long-term oral aspirin, clopidogrel, warfarin after heart stent surgery, patients may also have gum bleeding, it is recommended to go to the hospital’s Department of Dentistry for further consultation.