Underground drainage pipeline for municipal planning

The underground drainage pipeline for municipal planning comprises a main body pipe, an inner pipeline is arranged in the main body pipe, a wire ring is integrally formed on the circumferential outer wall of the main body pipe and located in the center of the main body pipe, and a first positioning ring and a second positioning ring are connected to the inner walls of the two ends of the main body pipe in a clamped mode respectively. A plurality of protruding blocks are integrally formed on one side of the first positioning ring, a plurality of grooves are formed in one side of the second positioning ring, the grooves correspond to the protruding blocks, a wire hoop is inserted into the circumferential inner wall of the wire guiding ring in a penetrating mode, wire bunching blocks are connected to the two ends of the wire hoop in an inserted mode, and lifting rings are welded to the upper surfaces of the wire bunching blocks. According to the utility model, the labor operation that the angle needs to be adjus