If you have a union card or pay a union membership fee, you can prove that you belong to a union. Generally, there are more than 25 enterprises, organs and institutions, which are approved by the superior trade union and elected by the member representatives.

Trade unions, or general trade unions and workers' federations. The original intention of a trade union refers to a social group that is spontaneously organized based on the same interests. This same interest group, such as employees working for the same employer, individuals in a certain industrial field. The main purpose of establishing a trade union organization is to negotiate wages and salaries, working hours and working conditions with employers.

The full English name of the TradeUnion is Trade Union, and the English abbreviation is TU. The emergence of trade union organizations originated from the industrial revolution in the west. More and more farmers left the agriculture on which they depended for their livelihood and poured into cities to work for factory employers in cities.

But the salary is low and the working environment is extremely bad. In this environment, individual employees are unable to cope with strong employers, which leads to the emergence of labor strikes and the birth of trade unions.

With the rise of neo-liberalism in the late 20th century, the strength of trade unions in developed countries declined. 1950 About one third of the workers joined the trade union, while in 2003 only13% remained; Some highly mobile industries (such as manufacturing) often take moving factories as the main threat when facing the trade union movement.