Abstract: The influence of L1thinking is a common concern in L2 acquisition field. The emphasis of those studies has been placed on the negative transfer of L1 thinking, and not enough attention given to the positive effects of L1 thinking. In fact, L1 thinking functions in the process of L2 acquisition as well as in the result of L2 acquisition. L1 thinking is not only an effective way of understanding, digesting and absorbing L2 information but also a common strategy of organizing ideas and styles in L2 acquisition...