The present invention relates to a horizontal motion conveyor which comprises: a stainless suit for forming a space moving in one direction wherein an object to be transferred is arranged in the stainless suit; a main frame for supporting the stainless suit wherein the main frame is arranged in a lower part of the stainless suit; a plurality of first and second shaft arms coupled with the main frame to reciprocate; a joint unit for transferring reciprocating motion of the first and second shaft arms to the stainless suit wherein the joint unit is connected to the first and second shaft arms and the stainless suit; and a horizontal motion unit for repeating quick forward and backward motion of the first and second shaft arms to move the object to be transferred in the stainless suit forwardly wherein the horizontal motion unit is installed in the main frame.
