Increased stool frequency without other symptoms is mostly caused by dietary habits, rectal cancer and so on. 1. Dietary habits: when there is a habit of consuming high-fat food, it will not only lead to obesity, but also affect the health of the gastrointestinal tract, leading to intestinal dysfunction and causing diarrhea. 2. Rectal cancer: for people with family history and high risk factors, they need to be alert to rectal cancer, which can occur in the early stage of defecation habit change, but without other symptoms. Increased frequency of bowel movement without other symptoms can also be seen in overeating, irritable bowel syndrome, etc. Serious cases are recommended to consult regular hospitals in time.