The invention particularly relates to an antifouling non-woven bag which comprises a bag body; first clamping devices are arranged on the right-angled edges at four corners of the top of the bag body;a plurality of second clamping devices are uniformly distributed at the tops of the front and the back of the bag body; an antifouling device is arranged at the bottom in the bag body; a disposable plastic bag is fixed by the first clamping devices and the second clamping devices; and the antifouling device has the functions of automatically separating disposable plastic bags and connecting the disposal plastic bags, and the antifouling non-woven bag is convenient for an operator to use.