Farmland irrigation device

The utility model discloses a farmland irrigation device, and relates to the technical field of irrigation equipment, the farmland irrigation device comprises a bottom plate, the top wall of the bottom plate is fixedly provided with a water tank and two sets of vertical supporting assemblies, the top positions of the two sets of vertical supporting assemblies are detachably provided with a transverse plate, and the transverse plate is provided with a water inlet; a water storage frame is fixed to the bottom wall of the transverse plate, a water circulation assembly extending to an inner cavity of the water storage frame is installed in an inner cavity of the water tank, a winding and unwinding assembly extending to the inner cavity of the water storage frame is installed on the outer wall of the water storage frame, and a plurality of sets of siphon ropes penetrating through the bottom wall of the water storage frame are fixed to the winding and unwinding assembly. According to the application, a siphon rope