State financial funds: refers to the funds invested by government departments or institutions in enterprises on behalf of the state with state-owned funds. Credit funds of banking institutions: refers to the funds obtained by banking institutions mainly through credit. Bank credit funds: commercial banks at all levels under the guidance of the central bank are also the main channels for enterprises to operate funds. Commercial banks provide services such as loans and deposits to meet the different needs of enterprises.

Shareholder's contribution: when the company is established or increased, the shareholder's contribution is used for the early construction or business investment of the enterprise. Operating profit: the income from all business sales of an enterprise.

As the vast majority of people, getting paid through work is the main source of funds. Work income is usually active income, which means that income can only be obtained through continuous work. There is a source of funds, no work, no income.