"Modern Chinese Dictionary" is this explanation of "blue collar": some countries or regions refer to workers who are engaged in physical labor, and they generally wear blue overalls when they work. According to the note, this explanation may not be comprehensive, the main feature of "blue collar" should be: working in a large-scale production, proficient in the production skills of the link, and this link is lower for production skills. . "The Chinese software industry needs 'blue collar' workers." This is not known to have been said. The nearest news is that the survey of human resources in Zhongguancun IT enterprise shows that Beijing software "blue-collar" has no 50,000 gaps. Even some people think: "The lack of 'blue collar' has become the development of the China Software industry. Because we can't see such workers in any software company. The process of software development depends entirely on the inspiration, development cycle and quality of software engineers. It is often unable to guarantee. "Look at the recruitment advertisement on the newspaper, the programmer of software enterprises recruits is the name: Software engineer. Recruitment conditions are: at least a programming language, C / C , VB or Java; at least one database software; excellent English reading ability ... Although the lack of software "blue collar", but no company said: I To recruit software workers. Even, some people know these undergraduate or higher undergraduate degrees such as c and database software, excellent in English, and a bunch of various software certificates, called software "blue collar" - trial, which industry has such excellent "blue collar"? On the construction of the manufacturing industry, the "blue-collar" workers completely complete the designated work in their position, and their work is very machine, very simple. In the object, the software industry is even more laccal to simplify the entire development work into a number of people. If you can write a program in the most intuitive language, the software "Blue Collar" naturally has a land. If you don't have C / C , VB or Java to write programs, if you can write programs with the Chinese version of Word, the software "blue collar" will naturally. An industry, if you want to do large-scale intensive production on the pipeline, you must have a piece of pipeline designer and planner, you have to have a lot of "long" - a "squad leader" of a piece of pipeline, and then "blue collar" worker. Corresponding to the software industry, it should be "Golden Collar" and "White Collar" before it is "blue collar". Although there are many people calling "blue collar", the essence problem is that this industry has not enough "gold collar" and "white collar", and this industry does not have the ability to standardize the entire production process.