The main reasons why the gums keep bleeding are: 1, poor oral hygiene, there is a lot of soft tartar, food residue, tartar and plaque at the gums, these dirty things on the one hand will cause physical stimulation and pressure on the gums, resulting in gum bleeding. On the other hand, plaque also releases endotoxin, which provokes the body’s immune response, making the gums red, swollen, inflamed and gum bleeding.2. Changes in the body’s hormone levels make the gums congested, red and swollen, and the capillaries become brittle, making the gums bleed easily, which mostly occurs in people in adolescence, pregnancy and menstruation.3. People suffering from hypertension, chronic liver disease, blood system diseases, such as platelet People with diseases such as platelet dysfunction and coagulation factor deficiency will have spontaneous bleeding from the gums, and the bleeding is large and cannot be easily stopped.