The 70-year-old constipation and bloating may be caused by decreased digestive function, or it may be the manifestation of chronic gastritis, gastric cancer and other diseases, to clarify the cause and then symptomatic treatment. 1. Decreased digestive function: the elderly body aging, gastrointestinal function, food digestion and absorption is slow, gastrointestinal power weakened, the symptoms of constipation and bloating, generally belong to the physiological phenomenon, you can not need to treat. Pay attention to improve life, eat more food rich in dietary fiber, such as celery, oats and so on. Drinking honey water in the morning also helps to improve constipation. 2. Disease: If constipation and bloating seriously affect eating, accompanied by hidden pain in the upper abdomen, belching, acid reflux and other symptoms, it may be caused by chronic gastritis, and gastroscopy can be done. Early stage of gastric cancer may also have the phenomena of bloating, constipation, loss of appetite, etc. Meanwhile, symptoms such as weakness, nausea, lethargy and black stools may also occur, which may be life-threatening if not treated in time. If physiological changes are excluded, one should go to the hospital in time. Combine the relevant symptoms as well as examination to clarify the cause of the disease and carry out treatment under the guidance of the doctor.