Application with pressure alarm function

The utility model provides an application with a pressure alarm function, which comprises an application, a pressure sensor mounted on the surface of the top of the application, a medicine applying ring fixedly mounted on the side of the bottom end of the application, a disinfection pad fixedly mounted in the middle of the bottom end of the application, a hand pulling belt fixedly mounted on one side of the application, and gauze arranged between the medicine applying ring and the disinfection pad. A pressure sensor is arranged on the surface of the plaster, an alarm module is fixed on the surface of the plaster, and a single-chip microcomputer is mounted on the side of the alarm module. The device has the advantages that the pressure sensor is arranged to monitor whether a compressor or a sandbag above an opening of a groin puncture operation is pressed above a wound or not; in the compression process, when the position of the compressor or the sandbag is changed in a displacement mode and no pressure is sen