Insight: in practice, the detective is facing a complex world to face skein, true and false and white, insight is a way for the detective in the numerous and unorganized, true and false white table like to quickly grasp the crucial point to grasp the problem, a special "eye." With it, you can make things simple, find the key issues and the root cause lies. Comprehensive thinking ability: mainly includes general the principled ability and reasoning ability. Generalize people, ordered and ability to quickly digest thorough understanding of the relevant information, analytical reasoning ability allows understanding from the root as to the nature of Tiaofenlvxi, find the problem and the proposed solution. Professionalism and comprehensive sexuality: the so-called professionalism is that a person has long been engaged in a particular job and exercise the formation of a professional awareness and the ability to highly personalized. And professional skills have a certain relationship, but not like the technology itself as concrete, more embodied consciousness, sensation and other soft things. And comprehensive sexuality training it is difficult to always rely suddenly see the light after a long period of practice, but everywhere he is in it, whether they have these qualities, to determine whether a detective can come to the fore.