The utility model discloses a push type underground water finding and plugging switch. The push type underground water finding and plugging switch is composed of a connecting pipe, a control cabinet short section, a power supply, a control circuit, a pressure sensor, a drive motor, a drive screw rod, a piston sleeve, a push type piston, a lower connector and a one-way valve. The upper end of the drive screw rod matches with a drive shaft of the drive motor, and the lower end of the drive screw rod is connected with the push type piston in a threaded mode. The push type piston is in a cylinder structure, the middle section of the push type piston is provided with a hole shrinkage section, and the size of the lower end cylinder is equal to the size of the upper cylinder. The tail end of the push type cylinder piston is correspondingly provided with a piston circumferential direction limit structure. The drive screw rod and the push type piston are arranged inside the piston sleeve. A piston sleeve upper limit circular bead and a piston sleeve lower limit circular bead are respectively arranged in the piston sleeve. The side wall of the piston sleeve is provided with a piston liquid inlet and a piston liquid outlet. The piston sleeve is arranged in a central groove of the lower connecter through the screw threads. A liquid inlet passageway is formed in the side wall of the lower connector and communicated with the central groove. The one-way valve is arranged in the liquid inlet passageway.