The legislative intent of Antimonopoly Law involves in the effect of the implementation of the Antimonopoly Law and China takes a multi-standard legislative purpose for the Law. This paper discusses its reasonable goals, such as improving the efficiency of economic operation and safeguarding consumer interests, also elaborates the objectives needing to be adjusted, such as changing the protection of fair competition into the protection of free competition, most important is that some goals, for example, maintaining social and public interests and promoting healthy development of socialist market economy are not appropriate, which need to be corrected, and finally, the reasonable purpose of Antimonopoly Lay should be chosen and determined based on China’s reality.