environmental protection requires the civil code to provide institutional guarantees, and the implementation of the “ The Green Principle” cannot be separated from contract legislation.Environmental problems is a serious social problem that can not neglect in contract legislation . Whether it is the Aristotle's virtue theory or the "relationship contract theory", the value of the two provides an intrinsic possibility for contract legislation. It can also be considered to continue to enrich the principles of good faith and the principles of the principle of public order and good custom, which established norm in the system of contract interpretation, contract performance and contract change and dissolution.In order to make good use of contract, it can summarize the practical experience in the market,such as emissions trading, carbon emissions trading and pollution third party governance,to Increase the nominate environmental contract of the Civil Code