The present invention is characterized in that a plurality of legs (110) are provided at the lower part of the oyster net (20) and the oyster net (20) The oyster collecting container 120 is fixedly coupled to the oyster collecting container 120 so that the bottom of the oyster collecting container 120 is downwardly inclined downward to one side of the oyster collecting container 120, And an oyster detachment housing 210 formed with a passage in the front and rear direction so as to allow the oyster net 20 to be inserted into and discharged from the work table 100, And a netting rope 220 formed in a spiral shape so that the oyster net 20 is spread in the left and right direction is provided at an inner front of the oyster detachment housing 210, And the oyster removal housing 210 A plurality of oyster detachment projections 231 are rotatably coupled to both the upper and lower sides of the oyster mesh 20 inserted so that the oysters 10 attached to both sides in the up-and-down direction from the oyster mesh 20 are removed, A second oyster detaching rod 230b and a second oyster detaching rod 230b to guide the oyster net 20 inserted and discharged from above the work bench 100, A mesh guide roller 300 rotatably coupled to the front of the workbench 100 and to the front and rear sides of the barb 200 and the mesh guide roller 300 rotatably coupled to the rear of the workbench 100, A mesh recovery drum 400 in which the tip of the oyster mesh 20 is fixedly coupled to a rotary shaft 410 so as to be recovered while moving from the front to the back of the work platform 100, The spreader rods 220, the first oyster detach rod 230a, A power supply unit 500 for transmitting a rotational force to each of the jig 230 and the mesh recovery drum 400 and a power supply unit 500 for controlling the power supply unit 500 according to a user's operation, And a user operation unit 600 for controlling the operation and rotation direction of the mesh recovery drum 400 and the first oyster
