It is not recommended that patients who wake up in the morning with a bitter taste in their mouths use prescriptions to avoid the adverse consequences of improper use of prescriptions. There is no scientific rationale for many of these remedies, and many people who use them fail to produce therapeutic results, but instead aggravate and delay their condition. Traditional Chinese medicine believes that waking up in the morning with a bitter mouth may be caused by the liver and gallbladder fire, stomach heat, etc., and can be used gentian diarrhea liver tablets, oxalic acid stomach pills, etc.. Pregnant women, the elderly and frail, people with loose stools should be cautious of using gentian diarrhea liver tablets, do not eat spicy and stimulating food during the period of taking the medicine, to avoid affecting the efficacy of the medicine. Adverse reactions are not clear, allergic to this product should be used with caution, allergic individuals should be cautious. Patients who wake up in the morning with a bitter mouth are advised to consult a doctor in time to identify the cause of the disease and standardize the treatment.