Since 2021，China has continued to promote the marketization，legalization and internationalization of business environment，continued to carry out business environment assessment，and carried out business environment innovation pilot projects in six cities，including Beijing and Shanghai. A series of reform measures to optimize the business environment have promoted the facilitation，legalization and internationalization of the business environment. Although China has made great progress in optimizing the business environment，there is still a gap between it and the requirements of improving the socialist market economy system，and it is not fully adapted to the requirements of promoting high-quality economic development，as well as the demands of market subjects and the people. To benchmark and build an international first-class business environment，we need to continue to optimize the business environment in the future，improve the support of digital technology for optimizing the business environment，and improve the business environment assessment.