Intestinal obstruction is a relatively common clinical class of surgical diseases, patients with intestinal obstruction to choose the majority of pain medication is antispasmodic Luan drugs, such as clinically commonly used atropine, belladonna tablets, and scopolamine and other drugs, can effectively alleviate intestinal obstruction of the intestinal tube of the smooth muscle, so that its relaxation to reduce pain. However, the application of drugs can not be too long, because the drug for a long time to inhibit the smooth muscle peristalsis, easy to cause paralytic intestinal obstruction. In the intestinal obstruction disease must have a clear understanding of the problem, in the condition is not determined to find the cause of obstruction, can not be applied to strong painkillers, such as clinical Tramadol, aminophenol pending tablets, and even morphine, etc., the application of drugs, although the effect of pain relief is more ideal, but it is easy to cover up the condition, resulting in intestinal obstruction, perforation, necrosis of the possibility of occurring.