Stomach distension, dry mouth and bitterness are related to gastrointestinal dryness and heat or liver depression and fire (the Qi of the liver is impassable leading to the production of fire and heat), and can be treated by taking Asafoetida Pills or Longdian Diarrhea Liver Pills respectively. 1. If it is due to dry heat in the stomach and intestines, injuring the fluid and depleting it, resulting in insufficient fluid and obstruction of qi, the body manifests itself as dry mouth and throat, distension and pain in the epigastric region (abdomen), accompanied by dry stools, frequent urination, and red tongue with yellowish dryness, etc., the treatment can be taken Ma Zi Ren Pills to relieve heat and clear the bowels (to remove the heat and evils, and to clear the stools), and to moisten and move the qi in the intestines. Older people who are weak and have less fluid and blood should not be taken regularly, and pregnant women should be cautious. 2. If it is due to liver depression and fire, resulting in depletion of fluid, qi (body gas does not run smoothly), the body manifested as dry mouth and bitter mouth, dystocia (pain in the area of dystocia and ribs) and abdominal distension, accompanied by headache and eye redness, ear deafness and ear swelling, irritability, etc., the treatment can be taken gentian diarrhea and liver pills in order to clear the liver and diarrhea and fire (remove the fire of the liver), and liver qi (regulate the stagnation of the liver qi). Its adverse reactions and contraindications are not clear, pregnant women, the elderly and frail, and people with loose stools should be cautious. Those who have the above symptoms should consult a doctor in time and use the above medicines under the guidance of a professional physician, do not take them on your own, so as not to cause damage to the organism.