1, brokerage business, buying and selling some securities on your behalf, that is, we open an account in a securities company, and he enters the exchange for trading according to our instructions, and his income comes from commissions.

2. Self-operated business, using its own capital scale and low cost to make money by buying and selling securities.

3. The asset management business has many advantages. The customer gives him the money, and he helps you manage the money, from which he earns the financial management service fee. The loss-making customer bears the risk.

4. Margin trading: Lend funds to customers to buy securities or lend securities to customers to sell, and charge customers a service fee.

5.IB business, many securities companies control their own futures companies, or securities companies and futures companies are controlled by the same institution, and securities companies help futures companies attract customers and charge service fees.

6.' Issuing underwriting business', the shares of a joint-stock company can only be listed after being recommended by a securities company, which involves many laws and does not dare to seek profits. After listing, underwriting for joint-stock companies (shares of joint-stock companies can no longer be sold by themselves) will cost a lot of money.

Second, the relevant points

1, the securities industry refers to the specialized industry engaged in securities issuance and trading services, and is one of the basic components of the securities market, which is mainly composed of stock exchanges, securities companies, securities associations and financial institutions. And provide services for the securities trading of both parties, promote the efficient issuance and circulation of securities, and maintain the operating order of the securities market.

2. The securities industry in China plays at least four important roles:

First, allocate resources by raising huge funds for enterprise development.

Second, promote the development and growth of many companies through restructuring. The vast majority of listed companies have become industry leaders, and these companies have greatly improved their corporate governance level, risk control ability and corporate culture construction.

Third, providing different investment tools is conducive to the development of financial services. After nearly 20 years of development, the number and types of investment products have doubled, which has improved investors' differentiated investment choices. At the same time, the development of the securities industry has promoted the reform of the banking industry, increased the construction of financial infrastructure and strengthened services. Fourthly, with the continuous expansion of international cooperation and opening to the outside world, the securities industry has provided new channels for foreign investors to invest in China.