Normal adult defecation time is about five minutes, many people smoking, reading cell phones, reading newspapers during defecation will lead to energy distraction, resulting in excessive defecation time will be harmful to the human body. First of all, the stool is related to a person’s ability to detoxify. If it takes too long, toxins may gather in the body, causing bad breath and skin abscesses. Secondly, too long a bowel movement can easily cause blood circulation around the anus causing anal diseases such as hemorrhoids and constipation. Finally, people with abnormal bowel movements have a much higher chance of developing colon cancer, especially the elderly who have a history of cardiovascular disease, keep the bowels open and do not use excessive force to defecate, which may induce brain hemorrhage and can be life-threatening. It is recommended to develop a regular bowel movement, eat more vegetables and fruits rich in dietary fiber, and avoid long bowel movement time.