The first choice of medications for constipation is Kaiser, Fangfengtongsheng Pill, Guoxi Pill and Laxative, which can have a fast laxative effect. You can also take lactulose orally, which can stimulate the peristalsis of the gastrointestinal tract and also speed up the speed of defecation. If the constipation is more serious, you can use laxatives under the guidance of a doctor. Laxatives commonly used is senna, fruit guide tablets, and shantanqing, etc. After taking these drugs, the stool can be discharged quickly, especially the first time with this laxative effect will be better. It is important to note that anthraquinone drugs can cause the intestinal tube to blunt the sensation of defecation, and over time there will be no bowel movement, now commonly used rhubarb, cassia, aloe vera, etc., these are anthraquinone drugs, do not use long-term. If constipation is not caused by other diseases, it is best to treat it by regulating the diet.