Straw feed supply system and supply method thereof

The invention discloses a straw feed supply system and a supply method thereof, and belongs to the field of breeding. The straw feed supply system comprises a hay cutter, an outlet of the hay cutter is connected to an inlet of a stock bin, a double-layer opening and closing door is arranged below the stock bin, a slewing bearing is arranged in the door, a spiral discharging machine is arranged inthe slewing bearing, a horizontally-arranged plate type conveying belt is arranged below a lower-layer opening and closing door of the double-layer opening and closing door, an unloading slide carriage is arranged on one side of the plate-type conveying belt, a baffle guide rail is arranged on the other side of the plate-type conveying belt, a horizontal L-type distributing machine is arranged onthe baffle guide rail, and a feed trough is arranged below the unloading slide carriage. By means of the system, the labor intensity of feeders can be reduced, the feeders can walk on a resource intensive circulation road, aut