The invention discloses an unmanned underwater vehicle device for storage and release of an unmanned water surface boat and relates to the technical field of unmanned boat application. The device comprises a portal frame, a first hydraulic push rod, a first driving device, a first transmission device, a second hydraulic push rod, a second driving device, a second transmission device, a base plate,a laser range finder, a controller and a clamping mechanism; the two ends of the portal frame are hinged to a first fixing hinge support; the first hydraulic push rod is hinged to a second fixing hinge support, and the first hydraulic push rod is hinged to a third fixing hinge support; the first driving device is connected with the second hydraulic push rod, the second driving device is connectedwith the base plate, the laser range finder is fixedly arranged on the base plate, and the clamping mechanism is used for clamping the unmanned underwater vehicle device; the controller is electrically connected with the first driving device, the first hydraulic push rod, the second driving device, the second hydraulic push rod, the laser range finder and the clamping mechanism. The defect of lowbutt joint efficiency of the unmanned underwater vehicle device and the unmanned water surface boat is overcome, and the butt joint efficiency of the unmanned underwater vehicle device and the unmanned water surface boat on the sea is improved.