Diabetic patients are prone to oral ulcers or periodontal disease due to high blood sugar. Diabetic patients with oral ulcers are generally treated with topical medications, such as stannous or fibrous growth factor, which are sprayed on the local area of oral ulcers and will play a better role in healing. If diabetic patients combined with periodontal inflammation, in addition to good control of blood sugar, it is recommended that oral anti-inflammatory drug treatment, more commonly used is metronidazole, tinidazole or ornidazole, this type of drug can be. In addition, patients should pay attention to oral hygiene, you can buy a specific mouthwash every day after meals to rinse the mouth, will also play an anti-inflammatory effect.