Connecting and supporting structure of square cabin and tent

The invention provides a connecting and supporting structure of a square cabin and a tent and belongs to the technical field of square cabin equipment. The structure comprises a square cabin, a tent, a supporting frame and a fixing block. The supporting frame is arranged on the top of the square cabin, the supporting frame is arranged on the side, used for mounting the tent, of the square cabin, the extending part is arranged on the tent and used for being fixedly connected with the top of the square cabin, and the supporting frame is arranged below the extending part and used for supporting the extending part of the tent, so that the tent is arranged on the top of the square cabin through a supporting protrusion of the supporting frame; in rainy days, rainwater can slide to the top of the square cabin through the protrusions at the extending parts and slide to the ground along the tent when falling onto the tent, the fixing blocks protrude out of the square cabin and are connected with the top of the square