The invention discloses a conditioning shampoo composition with a hair brightening effect, which comprises the following components in percentage by weight: 5.0-50.0% of surfactant, 0.01-10.00% of grease which has a natural source and high refractive index, 0.02-5.0% of cation quaternary ammonium salt or amido amine (excluding alkyl ammonium chloride), 0.01-3% of cellulose (excluding cation cellulose) and balance of water-containing carrier. In the invention, the grease with the natural source and high refractive index is used or totally substituted for polysiloxane for providing an obvious conditioning effect for hair, especially an obvious brightening effect; meantime, by combining the cation quaternary ammonium salt or the amido amine (excluding the alkyl ammonium chloride) and the cellulose (excluding the cation cellulose), dry and wet hair properties of the hair can be perfectly processed; and under low cost, the composition of the invention performs a good conditioning effect inevery stage of use and reduces the environmental pollution simultaneously.