This paper is concerned with the existence of multiple non-radial sign-changing solutions for{-Δu+(1+βV(y))u=|u|p-2u,y∈RN,{U(y)→0,当|y|→+∞ where 2〈pM2N/(N-2)^+,for N 〉 2 and 2 * =+∞ for N = 2, β can be regarded as a parameter and V( | y | ) 〉 0 decays exponentially to zero at infinity. We prove that there exists a suitable range of β such that the above problem has a non-radial sign-changing solutions with exactly k maximum points and k min- imum points which tend to infinity as fl --β→- ∞ ( or 0^- ...