四、公安客体的史源公安客体与公安主体的史源条件是完全一样的。警察（公安主体）与它的工作对象（公安客体）是在同样历史条件下产生的。总是因为有了构成治安问题的侵害性客体与受害性客体的出现，才有警察行为的必要。需要什么样的警察行为，取决于已发生了什么样的治安危 Fourth, the history of public security object Public security object and public security subject history conditions are exactly the same. The police (the subject of public security) and its object of work (the object of public security) are created under the same historical conditions. It is always necessary to have police behavior because of the presence of the object of aggression and victimization which constitutes the issue of law and order. What kind of police action is required depends on what kind of security has occurred