Abstract:

Social security has always been a major political and social issue. However，at the present，professional police who offer single and sole public security service cannot completely meet the needs of the public，which requires government to innovate public security service system，achieving “improvement without increasing police power” by way of diversified governance of security service. Contract governance in security service provides a feasible way to realize the diversified governance of security service and the improvement without increasing police power. Scattered resources existing in society can be integrated by means of contract governance，making them a joint force to achieve the diversified governance of security service.