There are two causes of frequent constipation: 1. poor gastrointestinal dynamics, due to poor digestive function and slow gastrointestinal peristalsis in the elderly, resulting in poor gastrointestinal digestive function, and poor gastrointestinal dynamics can also lead to poor digestive function, thus causing the characteristics of constipation. 2. often due to irregular diet or poor rest, stress, frequent insomnia, worry, anxiety This is often the result of irregular diet or poor rest, stress, frequent insomnia, anxiety and anxiety, resulting in dysfunction of the plant nerves. This situation is often due to eat fried greasy food or poorly digested food also has a certain relationship. In conclusion, when constipation is repeatedly not relieved, symptomatic treatment with drugs to improve gastrointestinal dynamics, drugs to regulate intestinal flora, and drugs to promote gastrointestinal repair is required. Clinically, the most commonly used drugs are Pu Yuan He Gastric Capsules, Bifidobacterium Bifidum Capsules, Gastroparesis Granules, Compound Polyethylene Glycol Electrolyte Dispersion, and Lactulose Oral Liquid for symptomatic treatment.