Frequent bleeding gums may be caused by periodontitis or gingivitis, leukemia of the gum disease damage. 1. Periodontitis or gingivitis: chronic inflammation that occurs in the periodontal tissues, as gingivitis develops into periodontitis, the clinical manifestations are the formation of periodontal pockets with bleeding, loss of attachment and alveolar bone resorption. During a woman’s pregnancy, the body’s hormone level changes, the original gingivitis aggravated, resulting in swelling of the gums, accompanied by easy bleeding symptoms. 2. Gingival lesions of leukemia: a large number of infantile blood cells infiltrate and accumulate in the gums, resulting in gingival enlargement, while the gingival margin is often oozing blood, the gingival margin of the tissues can be necrosis, ulceration and pseudomembrane formation. Frequent bleeding gums may have other reasons, it is recommended to go to the hospital in a timely manner, clear cause for targeted treatment.