To provide a resin-made corrugated pipe capable of stably installed in any place, capable of being easily positioned, and capable of maintaining the piping attitude without easily generating positional deviation after piping.

In the outer shape of a pipe wall 1, sectional square wall parts 2 and sectional circular wall parts 3 are alternately arranged in the pipe axial direction, while, in the inner shape, an approximately linear cylindrical surface 4 is formed, and the whole is formed of synthetic resin materials or rubber materials.