Urodynamics tests generally do not require anesthesia. This test is mainly for patients with urinary difficulty, urinary frequency and other urinary symptoms for further diagnosis, divided into free urinary flow rate test and pressure/flow rate test, if anesthesia may affect the results of the test, and this test itself will not be very painful, so the anesthesia is not necessary, the specific need to be carried out under the guidance of the doctor. Urodynamics examination, mainly through the patient in the storage and urination period of some physiological changes, such as urinary difficulties, urinary frequency, urinary urgency, urinary pain, urinary incontinence and so on, to make the relevant diagnosis. Free urinary flow rate examination is relatively simple, and the size of the value can be used to judge the relevant rate of urination of the patient; pressure/flow rate examination, mainly through the patient in the storage and urination period about the pressure, flow rate changes, as well as the relationship between the two to get some numerical values, through which to judge the patient’s some of the relevant diseases, such as prostatic hyperplasia patients with difficulty in urination, and so on. Urodynamics examination is generally without anesthesia, it is recommended to go to the regular hospital for this examination, the examination of the patient should actively cooperate with the doctor to operate, if there is any abnormality, timely treatment.