Pig-raising greenhouse

The invention discloses a pig-raising greenhouse. The pig-raising greenhouse comprises an enclosing wall, a trough and a water fountain, wherein an arched beam is arranged on the enclosing wall; the arched beam is fixedly connected with a south wall body and a north wall body of the enclosing wall; the north wall body of the enclosing wall comprises an inner brick wall and an outer brick wall; a wall seam is formed between the inner brick wall and the outer brick wall; a thermal insulation material is arranged in the wall seam; a plastic film is arranged on the upper part of the arched beam; the thermal insulation material is arranged on the upper part of the plastic film and is connected with a contraction and release pulling rope; a skylight is arranged on the upper part of the arched beam and is close to the north wall body; an exhaust fan is arranged on the skylight; a fence is arranged close to the north wall body in an east-west direction; a pollution discharge channel is arranged on the lower part of the south wall body of the enclosing wall and is connected with a pollution discharge pipeline in a hog house; a pollution discharge opening is formed in the outer side of the south wall; a plurality of air inlets are formed in the east-west direction of the south wall. The pig-raising greenhouse is high in structural strength, strong in wind resistance, rain resistance and snow resistance, good in thermal insulation and ventilation, and suitable for pig farms of different growth periods and different raising scales.