Stimulating defecation by flushing with water is not a good idea, and may cause serious consequences such as bowel perforation if it is not professionally directed, the pressure is inappropriate, or the hygiene conditions are not adequate. Although the method of stimulating defecation by flushing the anus with water seems to be simple and easy to operate, but the essentials to be mastered need to pay attention to the matters is very complex, the concentration of the liquid used to flush the osmotic pressure is too high or too low there may be colorectal oedema or dehydration aggravate constipation; flushing strength is too small the effect is not good and the strength of the fragile intestinal tract will be slightly too large to cause intestinal perforation and other injuries; poor hygiene conditions can also disrupt the intestinal flora. When there is a short-term or long-term constipation, you can choose a light diet, sitz baths and other ways to regulate; or the use of Keserol, lactulose oral solution and other drugs for treatment; have to be flushed must be carried out under the guidance of professionals, in the process of perforation and other critical situations to seek medical attention in a timely manner. If there is difficulty in defecation, it is recommended that the crowd consult a professional doctor to give guidance to improve the treatment, as little as possible to do dangerous and unreliable behavior, to avoid causing unnecessary damage.