Unintentional bleeding gums clinically the most common is the more serious gingivitis, mainly due to long-term deposition of plaque on the periodontium, so that more and more bacteria attached to it, ultimately leading to inflammation of the gums, the typical clinical symptoms are red, swollen and brittle gums as well as bleeding, the most common bleeding is under the stimulation of bleeding, that is, bleeding when brushing and bleeding from biting hard objects, but relatively severe gingivitis can sometimes also appear sucking or involuntary bleeding. Basic periodontal treatment is required, which is commonly known as scaling, which removes plaque and tartar from the periodontium so that the periodontium achieves a healthier state, and any bleeding gums after scaling will be significantly relieved. In addition to the simple problem of gingivitis, leukemia, high blood pressure, and certain specific elements, such as vitamin C deficiency, may be the cause of bleeding gums, and careful identification is recommended.