Cars have been invented for more than a century. There are also many brands, such as Mercedes, audi and so on. In modern society, automobile has become an indispensable means of transportation in people's work and life. While cars benefit people, they also bring a series of problems such as air pollution, noise and traffic safety. The car itself is a complex system, with the increase of mileage and the continuation of the use of time, its technical situation will continue to deteriorate.

Therefore, on the one hand, we should constantly develop cars with excellent performance. On the other hand, with the help of maintenance and repair, to restore its technical status. Automobile comprehensive performance testing is a kind of technology that tests and inspects the technical condition of automobile in the process of using, maintaining and repairing.

Automobile inspection technology develops with the development of automobile technology. In the early days of automobile development, it was mainly through experienced repairmen who found the faults of automobiles and made targeted repairs. That is, the past people often speak of "look (see)", "smell (hear)", "cut (touch)" way. With the progress of modern science and technology, especially the progress of computer technology, automobile detection technology is also developing rapidly. At present, people can rely on a variety of advanced instruments and equipment, the car is not disassembled detection, and safe, fast, reliable.