Accurate three-dimensional quantum dynamics calculations of state-to-state reactive probabilities for reaction Cl+H2→HCl+H2 for J=0 are carried out on the SPK potential energy surface based on both of the generalized Newton variational principle (GNVP) and the method of moment for amplitude density (MMAD) over a total reaction energy range from 9 to 16 kcal•mol-1. The results of calculations are compared between variational GNVP and nonvariational MMAD. An additional calculation is performed on total reaction energy at 19 kcal•mol-1. A simple comparison between SPK and GQQ surfaces well as to the result from hyperspherical close-coupling calculations is also presented.