White secretion in the stool mainly refers to mucus, intestinal mucus is a protective measure of the body, playing a lubricating role. However, if mucus increases consider mucus stool, the following conditions exist: 1. Physiological factors: 1-2 days before defecation take food containing white secretions, such as lotus root powder, yam powder. 3 days before defecation have received upper gastrointestinal imaging, especially barium meal imaging, can discharge white secretions; 2, pathological factors: mainly related to inflammatory stimulation. Inflammation of the small intestine secretes mucus that will mix with the stool and is undetectable to the patient. However, if the inflammation of the colon, it will produce a lot of mucus wrapped in the outside of the stool, and an increase in white secretions will be found, commonly in intestinal diseases such as allergic enteritis. Bacterial infection causing enteritis also increases white discharge, such as acute bacterial dysentery, which has mucus stools in addition to bloody stools and a mixture of mucus and bloody stools. Autoimmune enteritis, including ulcerative colitis, also has mucus-purulent stools, more blood and less mucus, or more mucus and less blood, or even pure mucus. If enteritis is considered to cause this, active management and treatment is required.