The present invention relates to a dishwasher which comprises: a washer main body in which a washing basin is provided to form a space in which dishes are washed; multiple fixed jet nozzles which are fixed to the inner wall of the washing basin and jet water for washing toward the dishes at a fixed position; and a horizontally arranged cylindrical rotating rack rotatably disposed in the washing bath, wherein the inner space thereof is split into multiple dish mounting portions where the dishes can be mounted and the rotating rack rotates along the periphery of the multiple fixed jet nozzles.