The 50-year-old Mr. Li, recently, the solution to the stool is always less painful, sometimes there is a feeling of unclean, sometimes seems to be a little thin, and sometimes in the surface of the stool hanging a little fresh blood shreds. I think: probably hemorrhoids, right? I bought hemorrhoid pills from the pharmacy, smear and paste, deal with three or four months, but always no good, but the symptoms seem to be getting stronger. The doctor told me to do a colonoscopy and found a 3cm diameter cauliflower-shaped ulcerated tumor in the rectum. After biopsy for pathological histological examination, it was diagnosed as rectal cancer. As a result, the anus could not be preserved because it was too close to the anus, and an artificial anus had to be made in the left abdomen. The 70-year-old Mrs. Zhang suddenly had severe stomach cramps in the middle of the night, and then she started to have blood in her stool, ranging from 10ml to 50ml, and within a few hours, she had seven or eight times. It doesn’t look like bleeding hemorrhoids, does it? The children quickly took her to the hospital to see the emergency room and did an emergency colonoscopy: large areas of the large intestinal mucosa were found to be congested, stasis, bleeding, edema, and irregular map mottled shallow ulcer formation. The doctor asked Mrs. Zhang’s past medical history in detail: she learned that she had suffered from hypertension, coronary heart disease and diabetes for many years in the past, and had 2 heart stents placed not long ago. The doctor told everyone: this is a typical manifestation of ischemic colorectal lesion. A thrombus in the cerebral vessels is called “cerebral infarction”; a thrombus in the cardiovascular vessels is called “myocardial infarction”; an ischemic colorectal lesion is a thrombus in the vessels that nourish the mucosa of the colon, causing ulcerative bleeding and necrosis of the intestinal mucosa, which can also be called “intestinal infarction”, right? After hospitalization, infusion, vasodilation, thrombolysis and improvement of microcirculation, Mrs. Zhang was basically cured. 18-year-old Tingting, looking at one or two more months to take the college entrance exam, but always feel the tummy silky pain, 3 to 4 times a day to relieve stool, each time the amount is not much, but always see inside mixed with mucus, blood or something. Maybe it’s hemorrhoids? Eat more vegetables and fruits and keep your stools loose! But the symptoms seem to be getting worse. I can’t go on, so let’s go to the hospital! The colonoscopy revealed a 4cm diameter cauliflower-shaped tumor with a tip in the sigmoid colon. After biopsy for pathological histological examination, it was diagnosed as juvenile polyp. The doctor reassured: “First, don’t worry about taking the college entrance examination, this kind of tumor is not cancerous. After the entrance examination, we will be hospitalized to perform colonoscopic polypectomy without opening the abdomen”.