The invention provides a water-repellent breathable polyphenylene sulfide filter membrane for cigarette filtration and a preparing method thereof. The water-repellent breathable polyphenylene sulfidefilter membrane is obtained by forming PPS superfine fiber non-woven fabric by polyphenylene sulfide through melt-blowing equipment, and then carrying out hot rolling and hydrophobic treatment, wherein the hot rolling temperature is 50-80 DEG C, hot rolling pressure is 40-50 MPa, and the hot rolling time is 5-15 s; the thickness of the water-repellent breathable polyphenylene sulfide filter membrane is 0.1-0.5 mm, the pore diameter is 0.1-1 micrometer, the porosity is larger than 60%, the breaking strength is larger than 15 MP, the hot-shrinkage rate is smaller than 10%, and the water contactangle is larger than 140 degrees. The water-repellent breathable polyphenylene sulfide filter membrane is excellent in water resistance and air permeability, ideal in mechanical property and hot shrinkage performance, and capable of being used as a filter membrane of a water-containing filter core in a cigarette. The preparing method is simple, and the preparation process is uniform and controllable and suitable for industrial production.