Enteroscopy can be done after drinking medicine and pulling yellow water, but it is best to wait until you pull clear water for better results. Enteroscopy is a medical lens from the patient’s anus into the visual observation of the intestinal lining, to determine the presence of lesions or the degree of lesions of the examination, in the colonoscopy before the need to eat polyethylene glycol electrolyte proteins and other laxatives to clean up the intestinal tract of fecal matter, so as not to fecal matter adhere to the surface of the intestinal wall to avoid the impact of the colonoscopy of the observation. Enteroscopy drink medicine pull yellow water indicates that there is still some residual fecal residue in the intestine in slowly with the liquid discharge, at this time to do enteroscopy, although it can, but may lead to part of the intestinal wall is fecal adherence, affecting the results of the examination, it is best to wait for the pull of water, fecal matter completely empty and then do the enteroscopy is better, the effect is better, the physician can be more clear observation of the intestinal tract of the patient’s condition.