The high frequency of stools per day is considered to be related to various diseases such as acute gastroenteritis, irritable bowel syndrome, inflammatory bowel disease or hyperthyroidism. 1. Acute gastroenteritis: partly caused by eating or drinking microbial contaminated food, water, etc., especially common in summer and fall, diarrhea, nausea, vomiting and other clinical manifestations, as well as abdominal pain. 2. Irritable bowel syndrome (IBS): It is the result of a combination of factors such as abnormal gastrointestinal dynamics, visceral hypersensitivity or psychosomatic disorders, etc. It can be accompanied by abdominal pain and changes in bowel habits, but there is no organic disease, and the frequency of defecation at the onset of the disease is abnormal, and the frequency of defecation can be more than 3 times a day. 3. Inflammatory bowel disease: it can be related to genetic, environmental and other factors leading to abnormal immune imbalance in the intestinal tract, such as ulcerative colitis, there will be recurrent episodes of abdominal pain, diarrhea, and mucus, pus and blood stools, the number of bowel movements is related to the severity of the disease, the less severe can be defecated 2-3 times a day, the severe can be more than 10 times a day. 4. Hyperthyroidism: When hyperthyroidism occurs in the human body, due to excessive circulating thyroid hormones, it can cause a variety of clinical manifestations, such as agitation, irritability and insomnia, increased stool frequency or diarrhea. If you have an increase in the number of bowel movements per day or other physical symptoms, it is recommended that you seek medical attention to identify the cause of the disease and follow the doctor’s instructions to treat the cause and symptoms.