Dry mouth and bitter mouth in the morning, Chinese medicine practitioners believe that it may be caused by damp-heat in liver and gallbladder (damp-heat evils are deposited in the liver and gallbladder), exuberant fire in stomach (fire-heat evils are exuberant in the stomach), etc. It can be treated with medicines such as Longdian Diarrhea Liver Pill and Huanglian Qingtong Pill, etc., respectively. However, the specific cause and medication need to be decided by the doctor according to the patient’s condition. For patients with Damp-Heat of Liver and Gallbladder, apart from dryness and bitterness in the mouth in the morning, they may also suffer from distension and pain in the abdomen and ribs, loss of appetite, nausea and vomiting. Gentian Diarrhea Liver Pills can be used. Longdian Diarrhea Liver Pill is used for dizziness and redness of the eyes (dizziness and redness of the eyes) caused by dampness-heat of the liver and gallbladder, tinnitus and deafness, coercive pain and bitterness of the mouth (pain in the area of the coarseness of the ribs, bitterness of the mouth), redness of the urine, and wetness-heat leucorrhea. Note that those with weak spleen and stomach should not take Longdian Diarrhea Liver Pill for a long time, and pregnant women and those with stomach cold should be cautious of using Longdian Diarrhea Liver Pill. In addition to morning dryness and bitterness in the mouth, patients with strong stomach fire may also have bad breath, swollen and painful gums, and dry and hard stools. You can use Huanglian Qing Stomach Pill. Huanglian Qing Stomach Pill is used for mouth and tongue sores, swollen and painful gums, toothache due to stomach heat, and outbreak of fire eye (i.e. infectious conjunctivitis, also known as red eye). Not to be taken by pregnant women. If the symptoms of dry mouth and bitterness in the morning are not relieved for a long time or accompanied by other discomforts, consult a doctor in time to identify the cause and carry out targeted treatment.