Colonoscopy can be a little uncomfortable, but different people feel different, some will not feel uncomfortable, some will be nervous and can not bear. In fact, the colonoscopy will be more or less painful, because the intestine in the human body is not straight, but curved, when doing the colonoscopy will certainly touch the intestinal wall, resulting in abdominal pain, which is a very normal phenomenon. If you want to feel no pain at all, you can use capsule microscopy for examination, just swallow the capsule, the doctor can observe the inside of the intestine on the computer, no pain at all, but the price of capsule microscopy is relatively high, need about 5000 yuan. There are many precautions to take before having a colonoscopy. Try to eat food that is good for digestion the night before the test, and don’t eat in the morning of the test, and try to keep an empty stomach.