Connecting structure of water supply pipeline and construction method

The invention discloses a connecting structure of a water supply pipeline, and relates to the technical field of municipal water supply, the connecting structure comprises a first water supply pipe and a second water supply pipe, and further comprises a connecting pipe, the inner diameter of the connecting pipe is consistent with the outer diameter of the first water supply pipe, the inner diameter of the connecting pipe is consistent with the outer diameter of the second water supply pipe, and the connecting pipe is provided with a first mounting hole, a second mounting hole and a fixing piece; by embedding the first water supply pipe and the second water supply pipe into the connecting pipe and fixing the first water supply pipe and the second water supply pipe through the fixing piece, the connection operation of the first water supply pipe and the second water supply pipe is more convenient through the mode, and compared with welding connection, damage to the first water supply pipe and the second water s