Chronic periodontitis belongs to the category of “tooth pronouncement” and “epistaxis” in Chinese medicine, and can be treated with Zhi Bai Di Huang Tang, Qing Gastric San and other formulas according to the doctor’s prescription. 1. Internal treatment, this disease is characterized by kidney yin deficiency type and stomach fire blazing type. Kidney yin deficiency type is mostly seen in the elderly, chronic periodontitis is mostly of this type, Chinese medicine believes that the kidney is the main bone marrow (refers to the kidneys to control the generation of bone marrow, affecting the growth and development of the bones), the human teeth are part of the human skeleton. If people have sufficient kidney energy, their teeth will be in a good state of growth. On the contrary, if people have insufficient kidney qi, their teeth will suffer from different diseases which will lead to periodontitis. The main symptoms of periodontitis with kidney deficiency are loose teeth, ulcerated and shriveled gums, weak chewing, exposed tooth roots, which may be accompanied by dizziness, tinnitus, lumbago, dry mouth and throat, etc. Zhi Bai Di Huang Tang can be used to nourish yin and lower the fire, and benefit the essence to fix the teeth with additions and subtractions. Stomach fire blazing type, acute attack of chronic periodontitis is mostly this evidence, the human body’s gastrointestinal diseases are often related to the usual eating habits, if the stomach fire for a long time, will violate the gums, the human body is in a state of long-term qi and blood congestion, the gums will be swollen and congested, and in severe cases, the gums will appear pus. The main symptoms of periodontitis are swollen gums, bleeding gums, or even abscesses and bad breath, accompanied by thirst, cold drinks, constipation, yellow urine, etc. We can use Qinggongsan to clear the gastric fire and reduce the swelling and pain. If you suffer from this disease, you should choose the treatment method and medication under the guidance of doctor.