Stock brokers, also known as buying and selling bills, are businessmen who act as intermediaries between buyers and sellers in securities transactions and receive commissions. The most important feature of securities firms is that they don't buy and sell securities for themselves, but only buy and sell and match transactions for others in securities trading. According to the provisions of the Securities Law, securities companies buy and sell securities on behalf of customers and engage in intermediary business, which are securities brokers with legal person qualifications. Securities brokerage business is the main business of securities companies, and the main body of securities brokerage business is securities brokers. As a qualified securities broker, you must have three conditions: first, a deep understanding of the securities market; Second, rich experience; Third, have a good professional ethics. "