In 2021, the Chinese government proposed the “Double Reduction” policy, and the process of this policy contains many complicating factors. Due to this policy's significant influence on Chinese education, this article will utilize Kingdon’s multiple streams framework to discuss the policy-making process. And this research will help to illustrate and recognize the necessity and rationality of the “Double Reduction” policy. The common sense of study anxiety and the capitalism of education resources formed the problem stream; the suggestions from scholars and entrepreneurs led those problems to be noticed by the governance and put on the policy agenda with good preparation from the previous education reform policies, leading to the policy stream; At the same time, the public sentiment and the government's emphasis on education combined to the political stream. At one particular time, those three streams merge to open the policy window and promote the formation of the “Double Reduction” policy.