Forward and reverse circulation type toilet applied to mobile house

The utility model discloses a positive and negative circulation type toilet applied to a mobile house, which comprises a decomposition box, a falling opening formed in the middle of the upper surface of the decomposition box, a bearing plate fixed on the upper surface of the decomposition box, a squatting pot arranged on the bearing plate and positioned above the falling opening, and a plurality of groups of feeding screw rods arranged in the decomposition box, each group of feeding screws consists of a forward-rotating feeding screw and a reverse-rotating feeding screw which are parallel to each other, the forward-rotating feeding screw and the reverse-rotating feeding screw are horizontally arranged at the bottom of the decomposition box, two ends of the forward-rotating feeding screw and the reverse-rotating feeding screw are fixed on the inner wall of the decomposition box, one end of the forward-rotating feeding screw and one end of the reverse-rotating feeding screw are connected with a motor arranged o