The invention discloses a steering horizontal conveyor. The steering horizontal conveyor comprises a machine body; a net belt support module is arranged at the top of the machine body; a first net belt and a second net belt are arranged at the top of the net belt support module, are symmetrically distributed, are arranged at the top of the net belt support module side by side, are both slidingly connected with the net belt support module, and are both connected with head tail wheel modules; the head tail wheel modules are positioned on the machine body, are respectively positioned at the bottoms of the first net belt and the second net belt, and are connected with lower support rollers through transmission devices; and the lower support rollers are positioned at the bottom of the net belt support module. The steering horizontal conveyor can steer box bodies or packing bags in a direction of 90 degrees for conveying, realizes no-obstacle product steering without needing any other stop, and is simple in structure, convenient to use and low in cost.