Two-dimensional　(2-D)　BiVO4　nanosheets-graphene　(GR)　composites　with　different　weight　addition　ratios　of　GR　have　been　prepared　via　a　facile　wet　chemistry　process.　X-ray　diffraction　(XRD),　Raman　spectra,　X-ray　photoelectron　spectra　(XPS),　UV-vis　diffuse　reflectance　spectra　(DRS),　field-emission　scanning　electron　microscopy　(FE-SEM),　transmission　electron　microscopy　(TEM),　nitrogen　adsorption-desorption,　transient　photocurrent　response　and　photoluminescence　(PL)　spectra　were　employed　to　determine　the　properties　of　the　samples.　It　is　found　that　BiVO4　nanosheets　could　pave　well　on　the　surface　of　graphene　sheets.　BiVO4　nanosheets-GR　composites　with　a　proper　addition　amount　of　GR　exhibited　higher　photocatalytic　activity　than　bare　BiVO4　nanosheets　toward　liquid-phase　degradation　of　rhodamine　B　(RhB)　and　methyl　orange　(MO)　under　visible　light　irradiation.　The　enhancement　of　photocatalytic　activities　of　BiVO4　nanosheets-GR　composites　can　be　attributed　to　the　effective　separation　of　photoexcited　electron-hole　pairs.　This　work　not　only　provides　a　simple　strategy　for　fabricating　specific　2-D　semiconductor-2-D　GR　composites,　but　also　opens　a　new　window　of　such　2-D　semiconductor-2-D　GR　composites　as　visible　light　photocatalysts　toward　an　improved　visible　light　photoactivity　in　purifying　polluted　water　resources.　Copyright　©　2014,　Dalian　Institute　of　Chemical　Physics,　Chinese　Academy　of　Sciences.　All　rights　reserved.