Symptoms of abnormal fecal passage often include discomfort or abdominal pain along the intestinal canal, which may develop into colic that lasts for several minutes to several hours and is relieved after defecation. Patients with abnormal fecal passage often experience difficulty in defecation, a feeling of incomplete defecation or urgency. The causes of abnormal fecal passage vary, and the onset of the disease varies. Therefore, the symptoms of abnormal fecal passage must be diagnosed and treated based on the cause, medical history, and understanding of the corresponding diagnostic criteria. Diagnostic criteria for abnormal fecal excretion process: 1. Abnormal fecal excretion process symptoms persist or recur for more than 3 months. 2. The following symptoms must be present to diagnose abnormal fecal excretion process. (1) Abdominal pain or abdominal discomfort with the following characteristics, relieved by defecation; and/or accompanied by changes in stool characteristics. (2) Abnormal bowel movements occurring at least 25% of the time, with at least 2 of the following, change in stool frequency (>3 times/d or <3 times/week); change in stool characteristics (hard: lumpy (or) thin: watery stool); change in bowel movement (straining or urgency to defecate or a sense of incomplete defecation); and defecation of mucus, accompanied by a sense of intestinal flatulence or bloating.