The invention discloses a pipeline inner wall washing device with a self-cleaning function. The pipeline inner wall washing device comprises an adjusting disc, a rotary disc, a
pipe inner wall, holes,guide pipes, magnetic blocks, a hard
brush device, a soft
brush device, driving shafts, a water inflow
pipe, water injection nozzles, a
pipe inner wall, connecting rods and locking grooves. Various kinds of
dirt can be more pertinently and completely cleaned away at a time in the manner of sequential washing of hard brushes and soft brushes, washing
brush heads of the washing device do not need to be specially taken out, simplicity and convenience are achieved, the clean brush heads stretch out in the next conversion process after the brush heads are self-cleaned, new washing is carried out,thus, the problem that the brush heads with
dirt are poor in washing effect after being used for a long time can be avoided, and more convenient self-washing of the brush heads is also achieved whilethe washing effect is enhanced.