Since the birth of the automobile in 1886, there has been a history of more than a hundred years, more than a hundred years, the automobile with excellent performance and a wide range of USES and amazing growth rate to infiltrate into the various fields of human activities.

Because of the different carrying object, in the automobile transportation, the automobile is usually divided into truck, car, passenger car and variant car.

Truck is usually referred to as trucks, and trucks according to the structure of the different can be divided into ordinary trucks, special trucks and dump trucks and freight trains. A pallet car of a standard type, usually graded according to the quality of the load. Special freight car is a kind of variation of ordinary freight car, which has special freight car to meet the loading and transportation requirements of some special goods. Dump truck is a truck that can lift and dump bulk solid materials automatically. Freight trains are generally divided into fully trailer and semi-trailer vehicles. The former is composed of fully trailer tractors or general trucks and fully trailer trucks, while the latter is composed of semi-trailer tractors and semi-trailer trucks.

Because the car has a high speed, driving is generally on a good road, mostly loaded with gasoline engines, some are loaded with diesel engines.

Passenger cars are passenger cars used for carrying passengers and luggage. Buses are usually classified according to the total length and vehicle mass, with a total length of less than 6m and a total mass of less than 4t. The total length is 6-9m and the total mass is 4-11t. It is a large bus with a total length of 11-16m and a total mass of 9-12t. If the total length is greater than 18m and the total mass is greater than 14t, it belongs to the hinged channel bus.

Variant vehicle refers to the vehicle chassis in the truck, the installation of special equipment or body constitute a special purpose of the car, such as engineering vehicles, ambulances, fire trucks and cranes and drilling vehicles.