Smelly stools and sticky toilet bowl are often seen in indigestion, irritable bowel syndrome, gastrointestinal inflammation, intestinal flora imbalance. 1. Indigestion: If the phenomenon occurs within a short period of time, it is likely to be due to excessive consumption of fatty or high-protein foods, resulting in food not being able to be fully digested, which can easily lead to sticky and smelly stools. 2. Irritable Bowel Syndrome (IBS): It is a common dysfunctional syndrome, which may be caused by intestinal infections, neurological abnormalities, or gastrointestinal dynamics abnormalities, which may lead to persistent or intermittent diarrhea, or mushy stools with a lot of mucus. 3. Gastrointestinal inflammation: viral or bacterial infections or unclean diet may induce gastrointestinal inflammation leading to diarrhea, abdominal pain, foul-smelling stools, and a small number of patients may have sticky stools. 4. Intestinal flora imbalance: the intestinal flora is damaged, the balance between the microflora is destroyed, there will also be sticky stools. Sticky stool may also be caused by other reasons, if the symptoms persist, you should consult a doctor in time to find out the cause of the targeted treatment.