"Inspector" in accordance with the literal interpretation may be called to oversee and inspect. In the police system in the Taiwan region, "duty inspector" is the terminology of the police; mainland China public security organs at or obove the county level, there are "Police Inspector" are prepared. Police services are fighting as the army. Therefore, only to maintain discipline and protect the rights of the police, the people can feel happy and social security will be stable. However, how to exercise the inspectors¡¦ powers¡H These are thesis research motivation. Through the research and analysis of the five major frameworks, this research found that applied "structural stress theory" by sociologists Merton, and found out the inspector¡¦s powers to control the five types of objects. Administrative organization of soundness (for example, the inspectors¡¦ class of the municipal government police station of Taiwan province is too low, or add to inspectors¡¦ allowance), use of limitation of administrative power (for example, as far as possible trying "inspector guidance" instead of " inspector punishment"), the exercise of administrative relief (for example, mainland China should incorporate administrative internal management affairs into the "Administrative Procedure Law of the People¡¦s Republic of China"), perfection of administrative supervision (for example, refer to the practice university evaluation system, or set up Foundation bodies evaluation of the police internal control supervision) for the proposed suggestions. Last but not least, the role of inspectors is very clear. Generally everyone think that inspectors are "managing the police of the police". In fact, in addition to "management-style inspectorate", "operation-style inspectorate" should be the best method.