On the basis of relativity,four new standards to divide media cold and hot are presented in thispaper: Time and Space Bias, Target Twinning, Function Identity,Information Exchange Acceleration.

• 冷热媒介是在相对的前提下存在的,在此基础上本论文提出了新的划分标准:时空偏倚性、对象成对性、功用同一性、信息交换加速性。