Water supply and drainage pipeline with good cold resistance

The utility model provides a water supply and drainage pipeline with good cold resistance. The water supply and drainage pipeline comprises an inner pipeline, a rubber layer, an anti-freezing filling layer, an outer heat preservation layer, an anti-cracking layer, an outer surface layer and a supporting frame. An external thread head is arranged on the right side of the inner pipeline, and the external thread head is connected with the inner pipeline through welding; the inner screw opening is formed in the left side of the inner pipeline, and the inner screw opening and the inner pipeline are of an integrated structure. A rubber layer is arranged on the inner side of the inner pipeline, and the rubber layer is connected with the inner pipeline through adhesion; an anti-freezing filling layer is arranged on the outer side of the inner pipeline, and the anti-freezing filling layer is connected with a rubber layer in an embedded mode; the outer heat preservation layer is arranged on the outer side of the anti-f