In this paper we present an improved double Q2 rescaling model.Based on this condition of the nuclear momentum conservation,we have found a Q2 rescaling parameters' formula of the model,where we have established the connection between the Q2 rescaling parameter ξi(i=v,s,g) and the mean binding energy in nucleus.By using this model,we coned explain the experimental data of the EMC effect in the whole x region,the nuclear Drell-Yan process and J/Ψ photoproduction process.