The duty of a securities broker is to buy and sell securities on behalf of clients and engage in intermediary business. That is to say, in securities trading, most investors do not buy and sell securities directly with each other, but through securities brokers. As an intermediary between buyers and sellers, securities brokers buy and sell securities on behalf of customers in this way: they inquire about the buying and selling prices of securities buyers and sellers, truthfully report the instructions of customers to the stock exchange according to the entrustment of customers, and through the stock exchange, when the buying and selling prices are consistent, promote the trading of securities between the two sides, and charge trading fees (commissions) to both sides.

Persons who meet the following conditions may apply for brokerage activities only after being examined and approved by the administrative department for industry and commerce and obtaining the brokerage qualification certificate:

(1) has full capacity for civil conduct;

(2) Having the knowledge and skills required for engaging in brokerage activities;

(3) Having a fixed residence;

(4) Master relevant national laws, regulations and policies;

(5) Having no criminal offence or economic violation for more than three consecutive years before applying for brokerage qualification.

(six) engaged in brokerage business in special industries such as finance, insurance, securities, futures and other countries with special provisions, it shall also have the corresponding professional brokerage qualification certificate.