1, yes. As long as you don't work in another brokerage firm at the same time, it doesn't matter, but if the certificate is still hanging in the original brokerage firm, the new brokerage firm can't cancel it. However, there is a financial industry, similar to the internal regulations of banks that you can't be a broker. It depends on the company you work for. This is called securities brokerage business, and many jobs are forbidden to engage in securities brokerage business at the same time, such as investment banking, issuance underwriting, sponsorship and securities affairs departments of various enterprises, and colleagues are not allowed to engage in part-time brokerage business.

2. A securities broker refers to a securities company that accepts orders from customers to buy and sell securities in a stock exchange, acts as an intermediary between the two parties to the transaction and collects commissions. It can be divided into three categories, namely, commission brokers, two-dollar brokers and bond brokers. Employees must pass the securities qualification examination before they can engage in securities brokerage business. 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.