Toilet floor drain pipeline mounting structure

The utility model provides a toilet floor drain pipeline mounting structure. The toilet floor drain pipeline mounting structure comprises a first bent pipe, a second bent pipe, a floor drain plate, a drainage pipeline and a tightening piece. When the floor drain pipeline is laid, the fourth pipeline on the second bent pipe is installed in the drainage pipeline, then the second pipeline on the first bent pipe is installed in the third pipeline, and the height of a floor drain plate is adjusted by adjusting the position of the fourth pipeline on the drainage pipeline according to the position of a floor drain opening in a floor tile. The position of the floor drain plate in the horizontal direction is adjusted by rotating the fourth pipeline in the drainage pipeline and rotating the position of the second pipeline in the third pipeline, so that the floor drain plate can accord with the position of a floor drain opening in a floor tile, and the planning of the pipelines and the floor drain opening in the floor t