The article compares the security mechanisms of China and the US. The US has made major adjustments to its security system over time, including creating the National Security Council and passing the PATRIOT Act after 9/11. China has focused on traditional threats but is now also addressing non-traditional security challenges. China is learning from the US and other countries to build a legal system for national security and create a more efficient security mechanism. China is developing a comprehensive security system to tackle both traditional and non-traditional threats.