To provide a polycarbonate resin applicable for a light reflecting board for use with a liquid crystal backlight or the like, excellent in light reflecting property, using a flame-retardant material not degrading the boundary surface, and improved in fluidity during the formation process.

In this polycarbonate resin composition excellent in light reflecting property, 100 pts.wt. of a polycarbonate resin (A) includes 1-15 pts.wt. of a copolymer (B) having as its constituents an aromatic vinyl monomer (a) and a vinyl cyanide monomer (b), 5-25 pts.wt. of titanium oxide (C), 0.01-3 pts.wt. of a polyorganohydrogensiloxane (D), 0.01-1 pt.wt. of a silicone compound (E) with its main chain assuming a branch structure and containing organic functional groups which are aromatic groups or are aromatic groups and hydrocarbon groups (other than aromatic groups), 0.01-2 pts.wt. of an organic metallic salt (F), and 0.01-2 pts.wt. of a fluorine-containing polymer (G). The light reflecting board is formed of this polycarbonate resin composition.