Abstract: Under the background of China's tourism reform and innovation, this paper analyzes the relevant theories of public management and uses them rationally, using the research methods of comparative study and field investigation. According to the principles of Four in One strategic plan, that is decision-making, management, supervision, and evaluation to deepen county-level tourism administration and supporting system reform, and it effectively change the tourist system that kind of small horse-drawn cart, the unfavorable situation, as soon as possible to promote the favorable institutional environment of comprehensively grasping the comprehensive industrial, which is to provide ample system of supply for the new era of sustained, healthy and rapid development of tourism industry.