Fluent calculated using simulated flow field around the wings,get wings flutter in the process of lift and drag characteristics.By comparing the characteristics of lift and drag characteristics of single degree of rigidity between the wings and the flexible wings, and come in with the same initial conditions and exercise,compared with rigid wings, flexible wings lift in even somewhat under the decline,the horizontal direction by the resistance force into a thrust in the process of improving the efficiency of this conclusion wings flutter. KEY WORDS:Flapping wing,flight mechanism,driving mechanism,flexible wings, kinematics simulation Ⅲ 万方数据III Fluent calculated using simulated flow field around the wings, get wings flutter in the process of lift and drag characteristics. By comparing the characteristics of lift and drag characteristics of single degree of rigidity between the wings and the flexible wings, and come in with the same initial conditions and exercise, compared with rigid wings, flexible wings lift in even somewhat under the decline, the horizontal direction by the resistance force into a thrust in the process of improving the efficiency of this conclusion wings flutter. KEY WORDS：Flapping wing , flight mechanism , driving mechanism , flexible wings , kinematics simulation 万方数据