Urodynamics tests generally do not require anesthesia. When doing urodynamic examination, the examining doctor will do a good job of local disinfection, firstly, one pressure measuring tube will be inserted into the bladder through the urethra, and then another pressure measuring tube will be inserted into the rectum through the anus, and the outer end of the two pressure measuring tubes will be connected to the urodynamics examination machine, so that the patient will do the action of urination to determine the change of pressure of the forced urethra muscle. The procedure is mildly painful but tolerable and does not require anesthesia. The urodynamic examination is invasive and may cause psychological discomfort and fear to the patient. Patients are advised to consult their doctors in detail before the test to understand the test method, and to build up their psychology in advance to eliminate their inner tension. After the examination, there may be slight pain or a little hematuria, you can drink more water to speed up the metabolism, to avoid infection, if there is any discomfort, it is recommended that the patient go to the hospital in a timely manner, under the guidance of the doctor’s treatment.