After analyzing the sub-contracting activity types and some related rules of unlawful sub-contracting under Design-Bid-Build-Accept traditional delivery model,contingent sub-contracting activity categories and corresponding discrimination principles to whether unlawful sub-contracting under Design-Build general contracting delivery model were explored in detail.

At present, irregularity of administrative nonfeasance comes to be a problem in the way of managing state affairs.

On the characteristics and causes of illegality and crime among college students;

When judging the illegality of an exclusive dealing contract,the courts mainly consider its functions on the competition itself and on the social interest.

The general one is the theory of the model of tatbestand, illegality and responsibility.

In reality,illegal employment occur.

As it violates the legal provisions in passive form, the administrative license of omission is more covert than other illegal administrative activities.

That the present system of administrative legislation and the system of administrative supervision are unable to effectively supervise administrative act causes the administrative tort and administrative violation of law.