The elderly do not eat and lose their appetite and need to look for further causes. This can be analyzed in four ways: 1. organic lesions of the digestive tract. For example, chronic gastritis, tumors, hepatobiliary diseases, need to take relevant drugs for the cause. 2, functional indigestion. Elderly people with slowed gastrointestinal motility and chronic poor bowel movement can use drugs that promote gastric motility, such as cisapride and domperidone, and can use laxative drugs, such as cecropia and marijuana pills, and appropriately increase activity and massage the abdomen clockwise to promote intestinal motility. Avoid foods that are difficult to digest, and eat more fruits and vegetables. 3. Psychosomatic factors. For example, the elderly have depression, anxiety and other emotions, and the early manifestations of dementia, but also reluctant to actively eat, the need to use anti-anxiety, anti-depressant psychotropic drugs. 4, pharyngeal and oral diseases. Such as pharyngitis, laryngitis, mouth sores, gingivitis, etc. into the food pain intensified, the elderly are also reluctant to eat actively, the need for targeted use of pharyngitis, laryngitis and other related drugs. In general, the elderly digestive function is gradually declining, diet should pay attention to avoid spicy, stimulating food, make some suitable for his taste, balanced nutrition, but also easy to digest food.