Abstract: At this stage of the market economy environment, due to the impact of a variety of external factors, there is a large degree of information asymmetry in the process of contract’s formation and implementation. This has resulted in imbalance of interests of both sides of the market transaction to a certain extent, as well as the trading relationships and contractual arrangements are not fair which are seriously impacting on social equity and justice. This article study the impact of the information’s exchange, disclosure and transmission on contract law in the case of information asymmetry from the point of view of the law economics, from the point of view of the productive and distribution of information, express and implied information, the exchange of information and the disclosure of information, in order to reduce the impact on the contract because of the asymmetric information during the process of enterprise information disclosure and conduction, promoting the information on the formation of contracts positive feedback mechanisms, effectively enhancing the efficiency of the signing of contract, performance, modification, transfer and implementation.