Slope drain hole construction device

The invention relates to the technical field of building engineering, and discloses a side slope drainage hole construction device which comprises a first PVC pipe, a second PVC pipe is installed in an inner cavity of the first PVC pipe, a plastic sheet is fixedly connected to one side of the second PVC pipe, a handle is fixedly connected to one side of the plastic sheet, a plastic ring is fixedly connected to the other side of the second PVC pipe, and the plastic ring is fixedly connected to the other side of the second PVC pipe. The plastic ring and the plastic sheet are connected through the second PVC pipe and the handle to form a plug structure, and a water drainage pipe is installed in an inner cavity of the plastic ring. According to the piston type slope drain hole construction device, through cooperation of the plastic ring and the plastic sheet, the plastic ring and the plastic sheet are connected through the second PVC pipe and the handle to form the piston device with the handle, the piston device