Dry mouth and stomach bloating may be a physiological phenomenon caused by aging of the organism, or it may be caused by gastric ulcer, chronic gastritis and other diseases. The causes should be identified in time. 1. Organism aging: the elderly oral mucosa glands atrophy, saliva secretion may be reduced dry mouth. At the same time, the elderly digestive function decreases, after eating is not easy to digest, there will be stomach bloating. If the elderly dry mouth stomach bloating, no other symptoms, may be physiological phenomenon, pay attention to dietary improvements can be, mild symptoms can not be treated. 2. Gastrointestinal diseases: gastric ulcer, chronic gastritis, gastrointestinal dysfunction and other gastrointestinal diseases can lead to a decrease in the ability of the gastrointestinal tract to digest and absorb. Food is not easily digested and bloating occurs when it ferments in the abdomen. Dry mouth may occur if the amount of water consumed is low. You can take mosapride to promote gastrointestinal peristalsis and accelerate gastric emptying, or compound digestive enzymes to help digestion and improve bloating. If you exclude physiological causes of dry mouth and stomach bloating, you should go to the hospital in time, combined with other symptoms as well as examination, clear diagnosis and timely treatment. Usually pay attention to drink more water, improve thirst, increase intestinal fluids, avoid eating easy to produce gas sweet potatoes, beans and other foods.