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应用保角变换法和一种新的求解技巧，分析了一包含带有角点的夹杂的无限大板在无穷远边界处弯曲外载作用下，夹杂角点处的应力奇异性，同时得到了角点处的应力奇异指数和相应的应力强度因子．其中所得到的应力奇异指数值和Ｗｉｌｌｉａｍａ用特征函数展开法求得的值完全相同．
By using the conformal mapping method and a new solving technique, the singularity of the stress at the corner of inclusion is analyzed under the bending external load at an infinity boundary of an infinite plate with inclusions with corner points. At the same time, Singular stress stress singularity index and the corresponding stress intensity factor. The resulting stress singularity index is exactly the same as that obtained by Williama using the eigenfunction expansion method.