The invention discloses a non-adjustable visual urethral dilator, and relates to the technical field of medical instruments. The non-adjustable visual urethral dilator comprises a feeler lever, wherein a handle is in threaded connection with the bottom of the feeler lever, a handle cover is arranged at the bottom of the handle in a sleeving manner, and a three-way pipe is in threaded connection with the bottom of the handle cover. According to the non-adjustable visual urethral dilator, the handle cover can be taken down, the connection between a first connecting plug and a second connecting plug can be released, the feeler lever can be screwed, the feeler lever and the handle can be disassembled, during mounting, a connecting wire can be placed in a movable groove, the feeler lever is screwed, the first connecting plug and the second connecting plug are connected, and then the handle cover is fixed to the handle; and according to the human urethra dissection characteristics, the headend is designed to be bent in accordance with the physiological radian of the urethra, a high-definition camera is located in the head end and can shoot the interior of the urethra in real time, whenvideos are transmitted to an external display device in real time, medical staff can master the urethral stenosis condition and the expansion effect in real time, and the urethral dilator is convenient for the medical staff to use.