The embodiment of the application provides unmanned remote control diving operation system includes: the pressure -bearing casing, install in the device that drifts along in the pressure -bearing casing is used for realizing the system sinks and floats, install in power device on the pressure -bearing casing, be used for to the system provides drive power, install in the pressure -bearing casing is outer turns to the device, is used for realizing systematic steering control, install in grabbing device on the pressure -bearing casing for pick the target object, install in positioner in the pressure -bearing casing for the implementation system is fixed a position under water, and install in communication and controlling means in the pressure -bearing casing for with host computer communication and control drift along the device power device turn to the device grabbing device with positioner. The unmanned remote control diving operation system of this application embodiment has improved the submarine degree of accuracy of laying geophone, and not fragile cable has reduced exploration cost in addition, lightens intensity of labour.