Pasting pump device for precise liquid storage and infusion and application

The invention relates to a precise liquid storage and infusion applying pump device and application, and belongs to the technical field of medical instruments. The invention provides a precise liquid storage and infusion applying pump device which comprises a bottom plate, a shell cover, an infusion assembly, an infusion tube, a liquid storage mechanism, a circuit board, a power supply mechanism and a puncture needle assembly, and the infusion assembly, the infusion tube, the liquid storage mechanism, the circuit board, the power supply mechanism and the puncture needle assembly are all installed on the bottom plate and can be covered by the shell cover. The liquid storage mechanism composed of the liquid storage bag, the pressing plate and the sensor is arranged, high-precision injection can be achieved through measurement of the sensor, the good sealing effect can be ensured, extra dynamic sealing is not needed, the device is not affected by the environment, and the whole device is compact in structure and