E.Dawson和Chuan-KuanWu在文献犤1犦中提出了基于广义逆矩阵的密钥协商方案。王永传等、雷信生、王锦玲分别在文献犤2犦、犤3犦、犤4犦中对其作了补充、攻击、改进。笔者对以上方案提出一种攻击方法,指出基于广义逆矩阵的以上密钥协商方案是不安全的,同时给出建议。 E. Dawson and Chuan-Kuan Wu proposed the key agreement scheme based on the generalized inverse matrix in literature [1]. Wang Yongchuan, etc., Lei Xinsheng, Wang Jinling respectively in the literature 犤 2 犦, 犤 3 犦, 犤 4 犦 in the supplement, attack, improvement. The author proposes an attack method to the above scheme, points out that the above key agreement scheme based on the generalized inverse matrix is ​​not safe, meanwhile gives some suggestions.