The cause of gingival swelling is mostly caused by fire, stomach fire, kidney yin deficiency, false fire, and inflammatory gingival atrophy can lead to the occurrence of this disease. Inflammatory gingival atrophy is mainly manifested as swelling and distension of the gums, and bleeding is common when brushing teeth. It is mainly caused by local inflammation, mechanical damage and vitamin C deficiency. The common causes of swollen gums: The main cause of swollen gums is that they are suffering from gingivitis or periodontitis, most commonly caused by periodontitis, periodontitis is mainly due to the spread of inflammation on the gums to the gums, forming periodontal pockets under the gums, a large amount of plaque attached to the surface of the teeth and gaps, dental calculus and dead space in the mouth that cannot be cleaned, resulting in mobile germs attacking the gums, once in the gums Once periodontal pockets are formed under the gums, the capillaries of the gums begin to swell, the pressure of the blood vessels rises, the gums are in a state of congestion for a long time, and the periodontal pockets are easily hit by the outside world. The weather is very dry, the body’s saliva secretion is reduced, the respiratory tract is dry, the brittleness of the blood vessels is increased, and it is easy to be infected with bacteria. If you then eat tonic or spicy and stimulating food, it will accelerate the operation of blood, which is called blood heat delusion in Chinese medicine, bringing germs to the whole body and triggering symptoms such as swollen gums, nosebleeds, dry cough and throat inflammation.