Three financing methods: equity financing: equity financing of securities companies mainly refers to raising capital when securities companies are established or increase their capital and shares, public offering and listing of securities companies, and the use of equity financing by securities companies in the course of operation. Debt financing: bond issuance financing is a financing method in which securities companies, as debtors, promise creditors to repay the principal and interest in a certain period of time in the future and issue securities. Bill financing: Bill financing is the oldest financing method in the money market. Commercial paper is a short-term promissory note with a specific term, which is only sold to institutional investors and can be used in the market.