Logo and sign is a product integrating planning, architecture, space, sculpture, logic, color, aesthetics and material. It is an art work integrated with the environment. With the advent of the information age, the application of logo and sign is more and more inseparable from people's life.

1. Made to promote their own products

2. Announcing information to the public or used to publish certain information

3. The highway gives people directions. The use of these signs greatly facilitates people's life.

4. Play the role of lighting at night

Signs can connect and convert various traffic facilities to a certain extent to ensure people's driving safety. Signs must be reasonably distributed in layout and pay attention to clear primary and secondary, smooth and clear, so as to make signs play their due role.