Gingival swelling refers to the local swelling and hypertrophy of the gingival mucosa, which becomes red in color and bleeds easily when touched, and is usually accompanied by painful symptoms. The main cause of gingival swelling is local inflammatory stimulation, but some systemic diseases can also cause gingival swelling. First of all, the local inflammation of the oral cavity will stimulate the gums will appear red, swollen, hot and painful phenomenon, the most common cause is gingivitis, periodontitis, or long-term foreign body stimulation to form a chronic inflammation of the oral cavity, there will be gum swelling performance, this inflammation is mostly aggravated when the fire, mostly anaerobic bacterial infection, you can use anti-anaerobic bacterial infection drugs to treat, at the same time, we should pay attention to oral hygiene, light diet, timely removal of tooth decay, inlay food At the same time, we should pay attention to oral hygiene, light diet, timely removal of cavities, inlaid food, tartar and other stimuli. Secondly, some other systemic diseases can also cause gum swelling symptoms, the most common is the blood system diseases, such as leukemia patients, due to the increase of blood cells in the blood, will form the peripheral blood vessels blood cell stasis, can be manifested as gum swelling. There are also women with endocrine reasons, hormonal changes affecting the gum mucosa, and occasionally transient gum swelling may occur, which generally does not require treatment. If gum swelling occurs frequently in life, timely treatment is recommended to avoid long-term development further causing gum atrophy and necrosis, resulting in irreversible consequences.