When periodontal tissues are healthy, eating red dates will not cause bleeding gums. Bleeding gums may be caused by gingivitis, periodontitis and other diseases, as follows. 1. Gingivitis: inflammation is generally confined to the free gums and gingival papilla, and in severe cases, it can also affect the attached gums, which can cause gum bleeding when brushing or biting hard objects, and there is generally no spontaneous bleeding. At this time there is no attachment loss, probing can not probe the enamel bone boundary. 2. Periodontitis: Gingival bleeding occurs when the patient brushes or eats, and in severe cases, there may be spontaneous bleeding or pus spillage, which may be accompanied by bad taste in the mouth, loose teeth and other symptoms. Loss of attachment is present, and probing may reach the enamel-osteoskeletal border. Bleeding gums may have other causes, it is recommended to visit the hospital in time to clarify the cause of the disease and then targeted treatment.