The invention provides a multifunctional filtering basin and belongs to the technical field of filtering devices. The multifunctional filtering basin solves the problem that no simple filtering device is available in the process of washing clothes. The multifunctional filtering basin includes a basin body. The basin body comprises a horn-shaped basin body side plate and a basin body bottom plate connected with one end of the basin body side plate. A horn-shaped annular convex edge is arranged at the other end of the basin body side plate in the manner of outward overturning. The convex edge is provided with a large convex edge end of which an opening is larger and a small convex edge end of which an opening is smaller, and the basin body side plate is connected with the small convex edge end. The basin body bottom plate is in a conical shape with one side open and comprises a basin body bottom plate side face. A plurality of circular gear racks are arranged on the outer wall of the basin body bottom plate side face. A plurality of filtering holes are formed in the center of the basin body bottom plate, and filtering cotton is arranged in the filtering holes. The horizontal position of the large convex edge end is lower than the horizontal position of the small convex edge end and is higher than the horizontal positions where the filtering holes are located. When the basin body bottom plate is placed in the manner that the opening is upward, river water will enter the basin body through the filtering holes and be filtered through the filtering cotton before entering the basin body; besides, clothes rubbing washing can be performed through the gear racks.