The invention discloses a portable washing machine based on environmental-friendly press cloth fibers. The portable washing machine includes an outer cylinder body, the outer cylinder body is internally provided with an inner cylinder, the outer surface of the inner cylinder is uniformly provided with a plurality of changing and washing holes in a penetrating mode, one end part of the outer cylinder body is provided with an end cover through bolts, the inner end face of the end cover is rotatably provided with an installation block, the end face, located inside the inner cylinder, of the installation block is provided with a plurality of pull rods in a surrounding mode, the side surfaces, corresponding to the inner cylinder, of the pull rods are connected with a plurality of triangular cushion strips in a glue joint mode, and the tops of support columns are provided with a hanging mechanism. According to the portable washing machine, through hanging of items by a hanging rod, storage of a hanging rod body, pull-out of cloth by the pull rods and the triangular cushion strips, stable movement of the end cover driven by a handle rod, the whole washing machine can quickly sun-cure andquickly take out the cleaning items during using, convenience of the washing machine is increased, pretreatment of the cloth by a pretreatment mechanism shortens washing time of the inner cylinder, and thus cleaning is more thorough.