In an open economy, antitrust laws are more complex and challenging to manage. China's lack of antimonopoly laws has led to losses for both domestic and international markets. To address this, China needs to establish an independent antitrust organization, implement a more lenient antitrust approach, and learn from developed countries' exemptions and extraterritorial applications of antitrust laws. It is crucial to ensure that the antitrust system in China aligns with other systems to protect national interests.