The utility model discloses an air detection box, air detection box includes the box, and inside setting of box is free gas detection survey device, empty gas detection surveys detection head positionin the outside of box of device, the well lower part of box is provided with a baffle, be provided with the drawer under the baffle, the outside of drawer is provided with the handle, the handle passes through the screw fixation on the drawer, the bottom of box is provided with the wheel, the right side of box is provided with the pull rod, the one end of pull rod is articulated with the box, theother end of pull rod is free telescopic link. The utility model discloses an air detection box places in the box through emptying gas detection survey device, has avoided pounding because of accident messenger equipment suffers to bump, sets up wheel and pull rod on the box, has made things convenient for the removal and the transport of equipment.