The main drugs for the treatment of constipation in the elderly are laxatives and prokinetic drugs. 1. Laxatives: there are many types of laxatives, including volumetric laxatives, osmotic laxatives, lubricating laxatives and so on. (1) Volumetric laxatives: increase the water in the feces, so that the feces become soft and easy to discharge, suitable for mild constipation, such as polycarbophil calcium, wheat cellulose and so on. (2) osmotic laxatives: is through the formation of hypertonic state adsorption of water, increase the volume of feces, suitable for mild to moderate constipation, such as polyethylene glycol, lactulose and so on. (3) lubricating laxatives: can lubricate the intestinal wall, suitable for the elderly combined with chronic disease patients, such as Keserol, liquid paraffin, etc.. (2) Pro-dynamic drugs: pro-dynamic drugs can increase intestinal power, suitable for patients with slow-transmission constipation, such as mosapride, itopride and so on. The above drugs should be used under the guidance of professional physicians. Elderly people have constipation, it is recommended to go to the regular hospital in time, relevant examination, under the guidance of the doctor to standardize the use of drugs. At the same time to develop good habits, a reasonable diet, drink appropriate water every day, to establish a good habit of defecation.