Rice seed soaking system and seed soaking method

The rice seed soaking system comprises a bottom plate, a first L-shaped support is fixedly installed at the position, close to one side, of the top of the bottom plate, an airing bin is arranged at the position, close to the other side, of the top of the first L-shaped support, hydraulic rods are hinged to the positions, close to the other side, of the bottom of the airing bin, and the bottoms of the hydraulic rods are movably connected with the bottom plate; rectangular plates are arranged at the positions, close to the other side, of the front side and the rear side of the airing bin, the bottoms of the rectangular plates are fixedly connected with the bottom plate, a uniform spreading assembly is arranged in an inner cavity of the airing bin, and a rotating assembly is arranged on the front side of the rectangular plate located on the front side. The reciprocating screw rod fixed at the shaft end of the power output shaft of the driving motor can rotate under the lower rotation of the power output shaft of