1. interest income of the fund: the interest income of the fund mainly comes from bank deposits and bonds invested by the fund.

2. Dividend income of the fund: Dividend income of the fund refers to a kind of income that the open-end fund obtains from the company by buying and holding the stocks issued by each company in the primary market or the secondary market. Dividends generally have two forms, namely cash dividends and stock dividends. Cash dividends are paid in cash, and stock dividends are given to shareholders as dividends in a certain proportion.

3. Capital gains of the fund: the price of any securities will be affected by the relationship between supply and demand of securities, if the fund can have sufficient capital supply. Buy securities when the price is low, but buy them when the demand for securities is strong. When the price rises, the difference is called the fund's capital gains.