As a special detective method,Encouragement of Crime has quite an effect in practice,on the other side it often offends against human right,so we have to rule it.We believe that,the only feasible way to deal with is to find a relative balance state.On the base of the theory of balance,we believe that the Encouragement should be kept in a scope that it should not attract the people who have not crime sense make it,but only could attract the people who have had crime sense and high probability.On the base of this state,we try to build the balance state of the Encouragement of Crime.