Abstract: Based on legitimacy theory and the enterprise life cycle theory,we the influences of different on corporate environmental strategy are analyzed,as well as the relationship between regulatory pressure and environmental strategy in the different stages of enterprise life cycle. Then,we choose 597 listed companies from typical heavy pollution industry in China,using multiple Logit models for empirical research. The results show that:(1)Policy pressures increase,companies tend to choose environmental leadership strategy,and do not tend to choose reactive strategy;(2)The greater the supervision and public pressure are,the less likely the companies will choose reactive strategy,but there is no significant difference in the selection of pollution prevention or environmental leadership strategy;(3)Further,the greater the pressure of policies,supervision,and the public,the more favorable the enterprises in the mature period to choose the environmental leadership strategy;(4)The greater the pressure of policies,the more likely the enterprises in the growth and recession period prefer to pollution prevention strategy.