Do you know what a retention enema is? Retention enema is the enema of medicine into the rectum or colon, through the intestinal mucosa absorption to achieve the purpose of treatment; what do you need to do before the enema preparation? 1, one hour before the enema can eat normally; 2, time: generally at 19:00-20:00 focused enema; 3, clean urine and feces, prepare toilet paper; 4, the temperature of the enema solution is 38 ℃, not too high or too low, so as not to irritate the intestinal mucosa. The cooperation needed in the enema 1, left side lying or proper lying position, hip elevation 10cm; 2, do deep whistling, pay attention to abdominal pain and other discomfort during the enema. What is the main thing after the enema? 1.Do not get out of bed and walk around, so as to avoid the outflow of medicine; 2.You can adopt the knee-chest position (prohibited for poor cardiac function); 3.Retain the enema solution for more than 1 hour, the longer the retention time, the better, try to endure. Retention of enema precautions: Before the enema understand to understand to determine the appropriate lying position and the depth of anal tube insertion. To improve the efficacy, it is appropriate to retain the enema before sleep in the evening. Ask the patient to defecate and urinate before the enema, and choose a thin anal tube with deeper insertion, less fluid volume and lower pressure to facilitate effective retention of the drug and full absorption of the intestinal mucosa.