The incidence of constipation in the elderly is high, and its causes are often multifactorial, including lack of exercise, inadequate dietary fiber intake, various underlying diseases, the use of a variety of drugs that cause constipation and anorectal hyperalgesia, etc. The goal of CC treatment for the elderly is to reduce the symptoms of constipation, restore normal bowel habits, and improve the quality of life. The constipation-causing drugs should be discontinued as much as possible, attention should be paid to changing lifestyle and diet, and for those with fecal impaction, the first step should be to remove the embedded feces by clean enema or rectal administration of liquid paraffin. In the selection of drug treatment, it should follow the principle of individualization. For patients who have insufficient dietary fiber intake and can drink enough water. If the symptoms persist, consider switching to polyethylene glycol and lactulose. Studies have shown that polyethylene glycol and lactulose are safe and effective for constipation in the elderly. Avoid using volumetric laxatives, salt osmotic laxatives and stimulant laxatives; if combined with cardiac insufficiency, avoid taking salt osmotic laxatives.