Automatic elevating fishing equipment

The invention discloses automatic elevating fishing equipment, comprising a fishing net, wherein the fishing net is arranged at a lower layer of a central column when not opened, the central column is divided into an upper layer and the lower layer, electric motors are arranged at the upper layer of the central column, the fishing net is supported by supporting rods, the supporting rods are connected through rotating shafts, when the fishing net is opened, wire cables are arranged at the periphery of the fishing net and close to the periphery of the central column, upright rods are arranged at four corners of the fishing net, a pulley is arranged at the top of each upright rod, first steel wire ropes are winded on the pulleys, one end of each first steel wire rope is connected with the corresponding electric motor, the other end of each first steel wire rope is connected to the four corners of the fishing net, the pulleys are arranged at the periphery of the top of the central column, second steel wire ropes