Gum swelling and pain caused by symptoms of fire can usually heal on its own within 1 week. However, patients with oral systemic diseases require active treatment and usually cannot heal on their own. Clinically, there are many causes of swollen and sore gums, and if the symptoms are caused by fire, patients can usually heal themselves through food therapy and better daily care. For example, you can choose to eat foods that are rich in vitamins and have the effect of clearing heat, lowering dryness and diuretic, such as bitter melon, watermelon and snow pear. In addition, in the course of daily life, pay more attention to oral hygiene and health care, and drink more warm water, which can also help speed up the remission of gum swelling and pain symptoms. However, if the patient is caused by pulpitis, periodontal abscess, deep dental caries and other oral system diseases, usually can not be self-healing, you need to go to the hospital in a timely manner to improve the relevant examination, clear the specific cause before taking corresponding treatment measures, in order to prevent delaying the disease. During the period of illness, patients should pay attention to maintain a good mood, ensure sufficient regular rest and rest, avoid staying up late, and increase physical exercise appropriately, which can help promote recovery.