PURPOSE: To not only clean a piping but also positively take out the deposits sticking in this piping and the tree roots remaining in the piping.

CONSTITUTION: This cleaning machine consists of a nozzle support having a first injection hole 5 for causing the self-traveling of the cleaning machine deep into the piping, a nozzle having a second injection hole 13 which is supported by this nozzle support 4 and presses the cleaning machine to the inside wall of the piping and an arm-shaped nozzle guide member 16 which is fixedly mounted at one end to this nozzle and has a blade part 17 for removing the residues remaining within the piping on the outer peripheral surface.