The old man often came to the hospital with the help of his family, the old man was in great pain, after communication, we learned that the old man did not solve the stool for several days or even weeks, no matter how hard he did not discharge the stool, irritable, sitting in the toilet for several hours sweating only to solve a small amount of feces, after examination, found a huge fecal mass in his rectum, and then, after some treatment, his bowel movements can be smooth. It turned out that he was suffering from a disease of rectal fecal impaction. When a large number of hard fecal lumps accumulate in the rectum and the patient is unable to expel them by himself, and often has to ask for help to expel them in order to solve the pain, then he is suffering from fecal impaction. Rectal fecal impaction is a common emergency in anorectal medicine, characterized by difficulty in defecation, pain around the anus and abdomen, irritability and even cold sweat, and individual patients have headache, dizziness and even fainting. Because of the fecal ulcers occurring in the rectal mucosa due to the pressure of the embedded fecal mass, the feces that cannot go down at the upper end of the block is liquefied by microorganisms and becomes fecal water that overflows from the periphery to the end of the rectum, forming “pseudo-diarrhea”, and even after diarrhea, the previous symptoms are not relieved (this is the “fecal water” in the above case). “). In Chinese medicine, this is called “heat node collateral flow”. 1. Causes of fecal impaction 1. Delayed defecation due to fear of pain: preoperative and postoperative pain, patients are afraid of defecation and do not use proper soft fecal laxative measures, feces cannot be eliminated for a long time and are embedded in the rectal cavity, our anorectal department carries out “painless ward” to reduce pain for patients and reduce the occurrence of fecal impaction The Department of Proctology of our hospital carries out “painless ward” to reduce pain for patients and reduce the occurrence of fecal impaction. 2, defecation power is insufficient: common in the elderly, long-term bedridden elderly. Due to the diminished motor function of the rectum and the weakness of rectal contraction, coupled with reduced movement, often powerless to defecate. Maternal sometimes also appear fecal impaction, mainly due to reduced activity, abdominal muscle relaxation, coupled with the reduction of coarse fiber resulting in excessive retention of feces. 3, pharmacogenic fecal impaction: strong stimulant laxatives, smooth muscle antispasmodics, antidepressants, drug addicted patients, as well as radioactive barium gastrointestinal angiography after the failure to take timely measures to discharge residual barium, can cause rectal fecal impaction. 4, ignore the stimulation of defecation: work or business trip, travel, often ignore or forget to defecate, fecal impaction occurs. 5, mental factors: various factors lead to excessive mental tension, due to sympathetic excitement, colorectal often in a spastic state, can not be normal peristalsis, resulting in fecal impaction. Second, how to avoid fecal impaction? The main method to prevent fecal impaction is to develop regular bowel habits, defecate, can not hold back the stool for a long time; plain should be more exercise, drink more water, eat more vegetables, fruits, diet should not be too fine; reasonable application of various laxatives, antispasmodics, antidepressants, if necessary, Chinese medicine to regulate constipation. Maternity should encourage more activity, more water, and a balanced diet. For elderly people who are bedridden for a long time, special attention should be paid to them. They can be given topical open cork regularly and regularly to help defecation, and if the patient still has difficulty in defecation, warm water enema is needed, and if necessary, nursing staff or family members should wear gloves to dig out the stool with their fingers.