Wish Fund is a fund for those who pursue their dreams but have no money. Its establishment has helped many dream catchers realize their dreams. Fund, in English, 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. From the accounting point of view, capital is a narrow concept, which refers to funds with specific purposes and uses. The fund we are talking about mainly refers to the securities investment fund. According to the difference of investment risk and income, it can be divided into growth fund, income fund and balanced fund. According to the different investment objects, it can be divided into four categories: bond funds, stock funds, money funds and hybrid funds.