Bitter mouth and thick tongue can be categorized into spleen qi deficiency, cold and dampness trapped in the spleen, food stagnation in the stomach and epigastric region, etc. It is recommended that patients take Chinese medicines such as Sijunzi Pill, Radix Rehmanniae Pill, and Spleen Enhancement Pill according to the evidence of traditional Chinese medicine. 1. Spleen qi deficiency: Spleen qi deficiency leads to bitter mouth and thick tongue, often manifested as weakness of the limbs, dry tongue, epigastric (abdominal) distension and fullness, etc. It is recommended that patients can take Sijunzi Pills and other proprietary Chinese medicines under the guidance of a doctor to tonify the spleen and benefit the qi, and some patients may suffer from adverse reactions such as fire and fever, and it is recommended that people with high blood pressure and weak spleen and stomach functions take them with caution. 2. Cold and dampness trapped in the spleen: Cold and dampness trapped in the spleen type symptoms are often manifested as yellowish color, nausea and vomiting, head and body heaviness, etc. It is recommended that the patient can take Chinese medicines such as Radix Rehmanniae Medica Pills, which can play a role in warming up the middle and dispersing the cold (to warm up the spleen and stomach to disperse the cold), and some patients may suffer from cardiac arrhythmia and other adverse reactions, and it is recommended that pregnant women or those who suffer from yin deficiency with fever should avoid taking them. 3. Stagnant stomach and epigastric region: If the patient is stagnant stomach and epigastric region caused by bitter mouth, thick tongue, the symptoms are often manifested as decreased appetite, abdominal distension, etc., it is recommended that the patient can take drugs such as spleen pills, which can play a role in eliminating stagnation (to promote the digestion of food), lactating women and pregnant women should avoid taking the crowd. If you need to treat the disease, you need to standardize the choice of drugs under the guidance of a doctor to avoid adverse effects.