Marine hydrological environment exploration sampling device

The invention provides a marine hydrological environment exploration sampling device which comprises a detector, a master control single chip microcomputer, a sampling mechanism, a sample storage cavity and a detection assembly, the sampling mechanism comprises a drilling motor, a drilling cavity, a supporting frame, an electric guide rail, a first electromagnetic valve and a drilling pipeline, and the output end of the drilling motor is communicated with the drilling pipeline; and the drilling pipeline is connected with a rotor of the electric guide rail, the electric guide rail is arranged on the supporting frame, any end of the supporting frame is arranged on the side wall of the drilling cavity, the first electromagnetic valve is arranged on the portion, away from the output end of the drilling motor, of the drilling pipeline, and the drilling cavity and the sample storage cavity are communicated and both arranged on the detector. A solid-state sample storage box and a liquid-state sample storage box whic