The invention discloses a universal machine for recovering, returning and bundling straw, comprising a walking frame body, an extrusion body, a suction fan, an automatic cutting machine, an electric motor, a reducer, a power generation diesel engine, row knives, cutting knives, a forward shaft, a backshaft, a splint, a traction block, a shell, chain wheels, chains, a base, a discharge cylinder, ashield, a upper shell, a foreplate, an extrusion awl, walking wheels, a baffle plate, a cover and side plates, wherein the walking frame body is provided with space for arranging the extrusion body, the suction fan, the automatic cutting machine, the electric motor, the reducer and the power generation diesel engine; recovering the straw is favourable for the deep processing of raw materials in cultivation, plant and other industries; returning the straw to the field is favourable for the fertilizer production of soil; bundling is suitable for the unique national power generation after the straw is extruded into charcoal to be used as fuel for power generation; and raw materials for other operations of deep processing are easy to preserve, thereby making a certain contribution to the national energy conservation.