The lyolysis puzzled the application of composite desiccant. In this paper the craft of forced lyolysis is determined. Furthermore the lyolysis is avoided and the optimal mixture ratio of the composite desiccant is obtained. 论文确定了复合干燥剂的强制液解工艺过程,得到了复合干燥剂不发生液解的最佳成份配比,解决了困扰复合干燥剂应用的液解问题。