Scenic public identity as an indispensable part of people's work and life, in a rapidly changing modern society is playing an increasingly important role. Whether it is a demand or identification practitioners, will have a common feeling that everyone everyday life in an atmosphere full of flavor identification. When traveling, there are urban transport system to protect the identity of people and vehicles quickly and safely shunt; when tracing and friends, community-oriented identification system to guide people traveling smoothly; mall identification system efficiently and accurately triage different shopping groups; vegetables Market systems are clearly identified various food categories. It can be said that there was activity as long as the place, there is identity. The logo, also with the acceleration of the process of human civilization has been improved rapidly. However, the identity and the influence and change our lives. Because the warning and indicator identifies the system all the time for the people to guide, whether it is right or wrong. After crossing traffic as there is no indication of a logo, one might regularly and vehicular traffic and grab Road, intersection full of security risks, the establishment of traffic signs marking, traffic intersection will become a safe and orderly. Logo, invisible change our habits. For this reason, we should be on the side of identity seriously enough.