1, maybe there is something wrong with the liver and gallbladder. Common symptoms like acute liver and cholangitis are bitter taste. When there is damp heat in the liver and gallbladder, abnormal bile secretion, bile reflux or inflammation in the liver and gallbladder, it will be bitter to get up early.

2, when the gastrointestinal function is poor, there will be bitterness. Patients with esophagitis and chronic gastritis will easily feel bitter mouth. If you don't pay attention to diet, the gastrointestinal tract stays in the food you eat for too long, which is easy to produce damp heat and cause bitter taste. Eating too much spicy will also have bitterness.

3, suffering from oral diseases is easy to taste bitter, such as gingivitis and gum bleeding, dry mouth and other diseases will lead to inflammation. The growth of bacteria will cause an odor in the mouth and a bitter feeling.

4, long-term lack of sleep, work pressure, irregular life, lack of sleep and rest will also cause dry mouth and bitter taste.

5, lack of exercise, weak people are prone to visceral imbalance, causing endocrine disorders, and dry mouth and bitter taste.

6. People with bad hobbies, such as smoking and drinking, will cause diseases of respiratory system and digestive system for a long time, and they will be thirsty and bitter.