Rectal cleansing is not recommended for patients to do at home by themselves, if needed, go to a regular hospital, under the operation of the doctor for rectal cleansing, rectal cleansing methods are as follows. 1. First of all, prepare a disposable enema bag, warm soapy water about 500 ml, while preparing some lubricants. 2. The doctor wears gloves to lubricate the tube of the enema bag, and then ask the patient to take a deep breath, slowly inserted into the anus about 7-10 centimeters, and then carry out the enema, the end of the enema for 5-10 minutes to ask the patient to defecate. Patients in the enema process if the pulse accelerated, pale, sweating and other symptoms, should immediately stop the enema, observe the vital signs changes, the doctor to check whether the patient’s body is abnormal, so as not to cause harm to the body. In short, rectal cleansing can not be done on your own, need to be personally operated by a medical professional to avoid damage to the anus and rectum, as well as the adverse reactions caused by, etc..