The utility model discloses a ventilating house, comprising a first master hole internal ventilating duct, a second master hole internal ventilating duct and a transverse passageway ventilating duct disposed between the first master hole internal ventilating duct and the second master hole internal ventilating duct, wherein a gantry is supported under the first master hole internal ventilating duct, the second master hole internal ventilating duct and the transverse passageway ventilating duct disposed, the first master hole internal ventilating duct is communicated with a main fan at a hole of an inclined shaft by the first ventilating duct, two sides of the first master hole internal ventilating duct and the second master hole internal ventilating duct are respectively provided with an auxiliary fan which is communicated with the first master hole internal ventilating duct and the second master hole internal ventilating duct, and each auxiliary fan is connected with the second ventilating duct. The ventilating house is disposed at a road crossing between the inclined shaft and a master hole, so that the problem of the even ventilation from the inclined shaft to a multi-work surface of the tunnel can be effectively solved, the vitiated air discharging speed from the tunnel can be accelerated, and the ventilating house has the advantages of being low in cost, simple in structure, good in reliability and the like.