There are many reasons for the extremely poor appetite of the elderly, including degeneration of taste buds, reduced gastrointestinal function, etc. You can promote gastrointestinal peristalsis and improve the symptoms through proper exercise and application of medication. 1. Reason: with the increase of age, taste buds gradually degenerate, resulting in the tongue to perceive the food function is reduced, resulting in decreased appetite, the elderly gastrointestinal absorption function is reduced, intestinal peristalsis is slow, food can not be digested and absorbed in a timely manner, there is no sense of hunger, resulting in poor appetite. 2. Treatment: moderate exercise, such as walking, playing Tai Chi, etc., to promote gastrointestinal peristalsis, under the guidance of the doctor, the application of domperidone, doxycycline tablets and other drugs to enhance gastric dynamics, promote digestion, alleviate poor appetite. If the poor appetite of the elderly can not be relieved, or accompanied by other uncomfortable symptoms, you need to consult a doctor in time to clarify the cause of the disease, active treatment, do not self-medication, so as not to cause physical discomfort.