If the mouth often appear bitter taste, common improvement methods are mainly divided into the following: 1, gingivitis caused by, usually due to inattention to oral hygiene, resulting in chronic inflammation of the gums and bitter mouth, will also be accompanied by the symptoms of bleeding teeth brushing, inflammation in the acute stage can be treated with oral artificial cow’s yellow metronidazole capsule or cow’s yellow on the clearing tablets, usually you can brush your teeth with herbal toothpaste in the morning and evening; 2, cholecystitis caused by, need to Go to the hospital gastroenterology department, gallbladder inflammation is recommended to take oral anti-inflammatory and biliary tablets for treatment. If it is accompanied by frequent recurrence of gallstones and the symptoms are not relieved, it is recommended to remove the gallbladder; 3, caused by damp heat in the spleen and stomach, in addition to bitterness in the mouth, there will also be yellow greasy moss, yellowish face, decreased appetite and other symptoms, you can take oral treatment with Ganlu Disinfectant Dan; 4, caused by strong liver fire, usually due to emotional depression, liver depression and fire causing bitterness in the mouth, you can take oral treatment with Danjuana Free and Easy Pill; 5, caused by gastritis caused by Helicobacter pylori, you can take oral Four antibacterial drugs treatment.