The present invention relates to the structures of the pipeline using water shortage device and using vinyl house, particularly, particularly there is the body of the doghole of pipeline, and human body with is first folded up, the lid to close the lid, in the fixing bolt for issuing a fixing bolt and a fixing bolt and a fixing bolt of institutes pressure in hall of above-mentioned body body, including fixed protective nut, including a pendent lamp, the second lamp, the second lamp, the second lamp straight line centered on jacket fixing axle, single can be formed between upper number, and forms different directions. Using the steel-tube construction of the notch ring of light and vinyl house belonging to the present invention, bicycle is formd between lamp and the second lamp at the 1st gram, and according to different direction enfeoffments, can reinforce according to the fixed force connected between being in charge of.