The "golden collar" class is generally highly educated people who have made achievements in a certain industry. The "white-collar" class generally refers to people with educational background and work experience. The "blue-collar" class refers to people with certain skills or no skills. Blue-collar-white-collar-pink-collar society is progressing, science and technology are developing, and people's names for professionals are also changing quietly, so blue-collar, white-collar, pink-collar and gold-collar have appeared. Blue-collar workers, as opposed to white-collar workers, mainly refer to workers. They get paid by giving their own physical strength. Therefore, their wages are not high. According to relevant statistics, the salary of Lanling is usually not higher than 1000 yuan. White-collar workers in office buildings were first known to people. Most of them are well educated. They were hired by the boss because of their skills. They know how to dress appropriately and are independent in their work. Facing the impermanent world, it is more philosophical and the way to deal with problems is more practical. According to American standards, white-collar workers refer to people who earn $80,000 a year and do pure mental work (American standards). Pink collar refers to freelancers who work from home. They can sleep late and eat at noon without being too particular. Home is both their habitat and their workplace. They communicate with the outside world by computer, telephone and fax, and know little about many stressful ways of the world in the white-collar working environment. Having the title of "Golden Collar" is not only enviable, but also awesome. Golden collar is a new group in the network age. The name "Golden Collar" is the social recognition of these people's knowledge structure, public relations ability, league coordination ability, management and operation ability, social relations resources and other comprehensive qualities. It is generally believed that Jinling is not only a top technical expert, but also has the right to manage the fate of white-collar workers. They are generally over 30 years old, and many of them got their degrees from abroad, and won the respect and recognition of others by virtue of their profound professional knowledge, excellent professional women's quality and understanding of life. Jinling is a down-to-earth doer, good at solving problems independently, full of risks and challenges for the future, eager for greater development space and his own professional field. Compared with white-collar workers and pink collars, the income of gold collars is much higher, and the monthly salary exceeds 1000 yuan. They own their own house and car. They don't follow suit when buying clothes, but pay more attention to quality, brand and grade, and can enjoy various leisure services in high-end clubs. Life is full of flavor at this moment, enjoying the leisure and calmness that ordinary professionals cannot experience after work.

Pink collar is ol(office lady), that is, female office workers. Most of them are single women, including single mothers (generally1female workers aged 8 to 35).