There are many medications for bitter mouth, such as omeprazole, chlorhexidine mouthwash, etc. It is important to target the medication according to the cause of the bitter mouth in order to effectively treat the bitter mouth. 1. If the mouth is bitter due to oral inflammation, you can use anti-inflammatory drugs to reduce oral inflammation, such as ciprofloxacin gargle, chlorhexidine gargle and so on. 2. If the bitter mouth is caused by poor gastrointestinal function, you should take oral gastric drugs, such as omeprazole enteric-coated capsules. 3. Bitter mouth can also be used to clear some of the heat and fire of the proprietary Chinese medicine, such as Xipayi solid gum liquid and so on. The choice of the above drugs, need to consult the stomatology department, follow the doctor’s prescription medication. In addition, patients with bitter mouth, should also pay attention to maintain a light diet, eat more fresh fruits and vegetables, eat more healthy grains. Change the bad habit of staying up late, avoid overwork, and avoid spicy, stimulating food, pay attention to maintain oral hygiene. Relax and keep your mind and body happy.