习惯性便秘给很多人带来苦恼。特别是老年人,还常因习惯性便秘诱发严重的心、脑疾病。习惯性便秘的治疗关键在于使患者本人了解产生便秘的原因,采取综合防治的措施。便秘产生的原因食物自口腔摄入至从肛门排出大约需20～40小时,通常在胃内停留3～4小时,小肠内5～15小时,大肠内10小时左右。多数人(60％)每天排便一 Habitual constipation brings distress to many people. Especially the elderly, often due to habitual constipation induced severe heart and brain disease. The key to the treatment of habitual constipation is to make the patients themselves understand the causes of constipation, to take comprehensive prevention and control measures. Causes of constipation Food intake from the mouth to the anus from the discharge takes about 20 to 40 hours, usually stay in the stomach for 3 to 4 hours, 5 to 15 hours in the small intestine, the large intestine about 10 hours. Most people (60%) defecate one day