In a case study of Phoenix Healthcare Group' s role in Beijing Mentougou District Hospital's reform,this paper systematically reviewed the PPP application in public medical service,revealing the problems found in the reform including concept deviations for public benefit,and sustainability of the business pattern.On such basis,the authors recommended from the perspectives of the government,hospital and society.Their recommendations cover policies on improving the supporting policies,reconstruction of the hospital mechanisms of motivation,income distribution and supervision,fostering efficient private medical enterprises and the third-party appraisers.These recommendations aim at improving PPP model in the reform of public hospitals in China.