Saline enema is suitable for constipation, preoperative preparation for intestinal surgery and treatment of inflammation, etc. It is mainly performed by saline. Take the left side of the enema lying position, hands holding the knees, fully exposed anus in order to operate, saline should not be too cold, to stimulate intestinal peristalsis, soften the fecal clearance effect, but also for the preoperative preparation for the emptying of the intestines, for intestinal inflammation, saline can be combined with anti-inflammatory drugs, such as: mesalazine and so on for use to achieve the purpose of eliminating the inflammation. The prepared saline is injected into the syringe, and the tube is gently inserted into the anus for about 10 to 15 centimeters when the examiner inhales, and the syringe and the tube are connected to inject saline for enema. If there is any difficulty in passing stool, you should seek medical advice, do not self-medicate and delay your condition.