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用修正后的Ｍｉｇｄａｌ—Ｋａｄａｎｏｆｆ递推关系讨论了Ｚ５格点规范理论的相结构，给出了在最一般的相互作用形式下该模型在其全部耦合参数空间中的相交特征．得到的固定点和相图在数值上与ＭｏｎｔｅＣａｒｌｏ模拟结果是一致的．
The phase structure of the Z5 lattice gauge theory is discussed with the modified Migdal-Kadanoff recursion, and the intersection characteristics of the model in all the coupling parameter spaces are given under the most general form of interaction. The obtained fixed points and phase diagrams are numerically consistent with Monte Carlo simulation results.