Funds can be divided into broad sense and narrow sense. Broadly speaking, a fund refers to a certain amount of funds set up for a certain purpose. It mainly includes trust and investment funds, provident funds, insurance funds, retirement funds and funds of various foundations. People usually refer to funds mainly as securities investment funds.

Securities investment funds are issued by fund management companies. At present, there are many fund management companies in China, such as Guo Fu, Guangfa, Huaxia and Pufa.

Securities companies, stock exchanges and banks can sell funds on their behalf.