The invention discloses a urethra retrograde urography examination device. The urethra retrograde urography examination device comprises an injector and a liquid injection hose connected with an end of the injector, wherein an umbrella-shaped connector cover is fixed on the liquid injection hose, and an opening of the umbrella-shaped connector cover is outward. The urethra retrograde urography examination device can be voluntarily used by patients, the liquid injection hose is inserted into an external urethral orifice, the umbrella-shaped connector cover covers the externalia to fix the liquid injection hose, subsequently, the patients can voluntarily inject a contrast medium through the injector connected with the liquid injection hose, and the whole process can be voluntarily achieved by the patients, so that discomfort of the patients can be reduced, the patients can feel more comfortable, and meanwhile, both medical staff and the patients can be prevented from X-ray exposure; the urethra retrograde urography examination device is applied to the field of medical apparatuses and instruments.