Exploitive learning and explorative learning are considered to be two models of diversification,but they respectively have positive and negative effects on short-term financial performance,so it is necessary to keep these two kinds of learning models equilibrium.By analyzing the punctuated equilibrium and ambidexterity equilibrium respectively,this paper discovers corporate diversity and corporate performance may have positive,or negative,or U-,or inverted U relationship at different stages in the process of diversification,which provides a reasonable theoretical interpretation to the inconsis...