Lean Production (LP) is a kind of praise for JIT(Just In Time) production mode of Toyota in Japan by experts from the International Automobile Planning Organization (IMVP) of Massachusetts Institute of Technology. Fine, that is, less but fine, without putting in extra production factors, only producing the necessary number of products urgently needed by the market (or products urgently needed by the next working procedure) at an appropriate time; Benefit, that is, all business activities should be beneficial and effective, and there should be economic benefits. Lean production mode originated from Toyota production mode and was organized by experts and scholars from America 17 countries. It took five years and cost $5 million. Taking the automobile industry, a typical industry that pioneered JIT in mass production and lean production, as an example, this paper makes a theoretical summary. The advantages of lean production mode are not only reflected in manufacturing system, but also in product development, cooperation, marketing network and management. It is the best production organization system and mode in the industry at present, and it will surely become the global standard production system in 2 1 century.

Lean production mode is the product of "resource scarcity" and "multi-variety, small batch" market constraints faced by Japanese automobile industry after the war. It began with Toyota Sasuke and was formed with the joint efforts of Akio Toyoda, Ichiro and Taiichi Ono, and it was not perfected until the 1960s.