Electrical Wire Harness is composed of wires, connectors and accessories, used for connecting functional electric appliance components , which can be made up of multiple loops based on users’ different needs. Electrical Wire Harness is a carrier for electrical connection and control and network body for the circuit as well. It is widely used in transportation vehicle, project machinery, farm machinery, communication instrument, energy machinery. The optical fiber and the module technology will be introduced into the application technology of wire harness along with electric appliance security and environmental protection request.  Consequently Electrical Wire Harness is increasingly becoming high tech and lucrative product.