This paper summarizes the operation law of logical function in Karnaugh map and boolean calculation is done in it in Karnaugh map, as a result, logical operation can be predigested in this way.

• 本文总结出卡诺图中的运算规则,将两个逻辑函数的逻辑运算置于卡诺图中进行,从而简化了两个逻辑函数的逻辑运算。