Catheterization alarm

A catheterization alarm comprises an alarm body and a catheter, and is characterized in that a buzzer, a battery and an electronic chip are arranged inside the alarm body; a display screen and a regulating pushbutton are arranged outside the alarm body; the buzzer, the battery and the electronic chip are connected through a conductive wire; the electronic chip is connected with a pressure sensor through an externally-connecting conductive wire; and the pressure sensor is fixed inside a catheter plug at an outlet end of the catheter. When the catheterization alarm is used, the regulating pushbutton regulates a required pressure according to requirements and the catheter plug is plugged into a catheter opening at the outlet end of the catheter. The catheterization alarm has the advantage as follows: after urine reaches a certain pressure, the pressure sensor transmits a signal to the electronic chip and the electronic chip indicates the buzzer to give an alarm.