Provided is a negative electrode slurry composition including a binder resin, a water-soluble polymer, and a negative electrode active material, wherein the binder resin including (A) a styrene-butadiene copolymer latex having a gel amount of 70 to 98% and a glass transition temperature of −30° C. to 60° C. in dynamic viscoelasticity measurement and (B) an acryl polymer latex having a gel amount of 70 to 98% and a glass transition temperature of −100° C. to 0° C. in dynamic viscoelasticity measurement, and the negative electrode active material including a carbon-based active material and a silicon-based active material.