WO3/C/Ag3PO4 composites were prepared by coprecipitation method with the basic materials of prepared activated carbon, WO3, AgNO3, Na2HPO4. The samples were characterized by XRD, FT-IR, XPS, SEM, TEM and UV-DRS techniques. The results showed that a heterojunction was formed between Ag3PO4 and WO3. The photocatalytic properties of WO3/C/Ag3PO4 composites were evaluated by using bisphenol A (BPA) to simulate pollutant under visible light irradiation, and the photodegradation mechanism of WO3/C/Ag3PO4 composite was proposed. The results shown that among a series of photocatalysts, the degradation rate of BPA in aqueous solution by 23% WO3/7%C/ Ag3PO4 composite reached 95% in 90 min under visible light, which was significantly higher than that of single Ag3PO4 and WO3. After three cycles of reuse, the degradation rate of BPA remained at 74%, indicating the good stability of WO3/C/Ag3PO4 photocatalyst. The research on photocatalytic mechanism indicated that the radicals of ?O- 2 and h play major roles in the degradation process.