The utility model relates to an automatic water washing machine for jute fiber and pertains to the cleaning equipment for textile jute fiber, which comprises a water-washing box having a washing trough. At a little upper part of two ends of the washing box, a loading and an unloading port are arranged. The middle of the washing box is completely enclosed. The utility model also comprises a reticulated board suspended in the washing trough; a group of sprinkling pipes that are connected on the washing box and are for spraying water to wash the fiber in the washing trough and are spread in the washing trough in form of cantilever; a group of board-turning components that are arranged alternately for driving the fiber fed from the feeding port into the washing box to the unloading port by batches (each board-turning component is pin jointed on the walls of the washing box); and a power drive connected with the group of board-turning components. The utility model has the advantages of the automatic water washing of fiber, the lightened workers' labor intensity, and the higher washing efficiency and effect.