Loose stools floating on the surface of the water can be seen in physiological factors such as improper diet and pathological factors such as indigestion, intestinal infections, inflammatory bowel disease, colorectal cancer and so on. 1. Physiological factors: consumption of cold, spicy and stimulating foods, raw pickles, barbecue, etc. leads to increased intestinal peristalsis and loose stools. Patients should have a light diet and avoid foods that are irritating to the stomach and intestines. 2. Indigestion: Gastrointestinal dysfunction can lead to loose stools. You can choose probiotics to regulate under the guidance of the doctor. 3. Intestinal infections: Eating unclean food, such as overnight food, can lead to bacterial and viral intestinal infections, usually accompanied by fever, vomiting and other symptoms. We should go to the hospital in time and follow the doctor’s instructions for anti-infection treatment. 4. Inflammatory bowel disease: including ulcerative colitis and Crohn’s disease, abnormal immune imbalance in the intestinal tract, persistent inflammation of the intestinal tract, loose stools, accompanied by abdominal pain, mucus, pus and blood stools. Choose aminosalicylic acid preparations and glucocorticoids for treatment as prescribed by doctor. 5. Colorectal cancer: Changes in stool characteristics can occur at early stage, which can be manifested as loose stools. Generally, it is common in the elderly. After diagnosis, follow the doctor’s instruction to choose surgical treatment and other therapeutic programs. If you have loose stools floating on the water surface, you should go to the hospital in time, clarify the cause of the disease and follow the doctor’s instruction for treatment.