Clinically, there is no direct correlation between bleeding from brushing teeth and early liver cancer, and it is not a standard basis for judging liver cancer. Most of the bleeding gums are caused by oral diseases, such as gingivitis, oral ulcers or brushing teeth with too much force, which can also lead to bleeding gums. In addition, it may also be related to poor coagulation function and thrombocytopenia, so there are many reasons for bleeding gums, which cannot be simply considered as liver disease. Patients with hepatocellular carcinoma combined with severe cirrhosis may develop thrombocytopenia and coagulation disorders. At this time, gum bleeding may also occur, but the lesions are often not limited to the gums, and various bleeding spots may appear on the skin at the same time. When gums bleed, local oral diseases, coagulation and platelet levels should be examined, as well as other chronic hematologic diseases and chronic liver disease. In summary, there are many causes of bleeding from brushing teeth, and patients are advised to go to the hospital for a detailed examination to clarify the cause of the disease and timely treatment.