This paper suras up some properties of the adjoint matrix A* of a matrixA,and discusses the adjoint matrix of some special matrix. The result in the paper has been extended correspondingly.

• 本文给出了n阶方阵A的伴随矩阵A*的一些性质,并研究了某些特殊矩阵的伴随矩阵,推广了文献中已有结果。