THE AIM OF THIS STUDY IS COMPARING THE JURISDICTION OF THE NATIONAL SECURITY LAW IN HONG KONG SAR AND MACAU SAR, ALSO REVIEWING THE PRACTICAL IMPLEMENTATION OF THE LAW IN THE TWO SARS, ANALYZING THE CHINESE GOVERNMENT'S PARTICIPATION IN THE GOVERNANCE OF NATIONAL SECURITY IN TWO SARS, AND EXPLORING THE FUTURE SUSTAINABILITY OF NATIONAL SECURITY LAW IN TWO SARS