Patients with swollen gums often have chronic inflammation themselves, and when the body’s resistance decreases, the weather is dry, they eat spicy and irritating foods or suffer from diseases such as diabetes, this leads to an acute attack of the original chronic inflammation and swollen and painful gums. If people feel swollen gums, they should go to the hospital for relevant examination and timely treatment. 1, oral endoscopy The emergence of oral endoscopy has brought a new mode of examination and treatment in the oral cavity. When the sight of the lesion of a patient with swollen gums is displayed in front of the patient, no more description or expertise is needed, and the patient can understand the urgency of treatment. The physician can further discover the oral lesions of the patient with swollen gums with the aid of clear and visual images, and take various treatment measures in a timely manner. 2.X-ray examination X-ray examination is commonly used in medicine as one of the auxiliary examination methods. x-ray examination can make the structure of the gingival area clearly displayed on the X-ray film, and can be kept as an objective record for a long time, so that it can be studied at any time when needed or compared at the time of review.