1.What is constipation? When the process of defecation is laborious, the time of defecation is prolonged, or the desire to defecate is not defecated despite the intention to defecate, or it is unpleasant after defecation, or the anal swelling can be concluded as constipation. On the contrary, if you have the above symptoms, even if you have one or more bowel movements per day, you should be considered constipated. In some cases, the abdominal distension and fullness, irritability and restlessness, but no or very weak signals of bowel movement. If constipation exists continuously or intermittently for about 3 months out of 12 months a year, it can be considered as chronic constipation. 2. How do I know I have constipation? 2 or more of the following symptoms are present continuously or intermittently for at least 12 weeks in the past 12 months: (1) straining to defecate >1/4 of the time; (2) lumpy or hard stool >1/4 of the time; (3) incomplete defecation >1/4 of the time; (4) anal obstruction or anorectal obstruction during defecation >1/4 of the time; (5) defecation requiring manual assistance >1/4 of the time; (6) constipation with the use of (6)>1/4 of the time, there are <3 bowel movements per week, and there is no loose stool. 3.What should I do if I suffer from constipation? If you experience any of the above symptoms, please consult a specialist immediately. 4.Why do I suffer from constipation? Dietary factors: too little food, too fine food, not enough water, lack of fat in the diet, too much spicy food, etc. can lead to constipation. Mental factors: due to the disturbance of defecation habits, mental tension, often cause constipation. Organic lesions: anal fissures, tumors, intestinal obstruction, etc. can affect the propulsion mechanism of feces and cause constipation. Neurological factors: long-term use of laxatives, condiments or smoking too much, causing muscle tension contraction resulting in narrowing of the intestinal cavity, the stool is difficult to pass and produce spasmodic constipation.