Car mechanics and car maintenance workers are exactly the same, no matter whether it is the definition of national occupational types of work or the public's customary perception, there is no difference.

The definition of automobile mechanic (maintenance worker): a person who uses tools, clamps, measuring tools, instruments and maintenance equipment to maintain, repair and debug automobiles.

Main work content: including engine assembly, running-in and disassembly, chassis, crank and connecting rod mechanism, valve train, lubrication system, cooling system, supply system, clutch, transmission, universal transmission, Construction, repair methods and maintenance of drive axles, steering systems, braking systems, driving systems, etc.

Vocational qualification certificates are divided into primary, intermediate, advanced, technician and senior technician. Only those that need to be issued by the Ministry of Human Resources or can be registered on the website of the Ministry of Human Resources are recognized by the country and can be used nationwide.