用动力学李代数方法描述了量子反应散射问题 .对共线交换反应A +BC→AB +C ,得到了含有主要动力学参数的反应跃迁几率的解析表达式 .计算了共线反应散射过程H +H2 (n =0 )→H2 (n′ =0 ) +H的反应跃迁几率 .结果表明 ,动力学李代数方法对计算反应几率是非常有效的 . The quantum reaction scattering problem is described by the kinetic Lie algebra method. The analytical expression for the reaction transition probability with the main kinetic parameters is obtained for the collinear exchange reaction A + BC → AB + C. The co-linear reaction scattering process H + H2 (n = 0) → H2 (n ’= 0) + H.The results show that the kinetic Lie algebra method is very effective in calculating the reaction probability.