Investment bank is a non-bank financial enterprise engaged in securities issuance, underwriting, trading, enterprise restructuring, enterprise merger and acquisition, investment income analysis and other businesses. Domestic investment banks include CICC, China Investment Securities, Guo Xin Securities, Haitong Securities, Anliang Futures, Galaxy Securities, Guotai Junan and Huatai Securities. According to the type, it can also be divided into government investment, regional project investment and financial institution government investment. Investment bank usually refers to a kind of financial institution corresponding to investment bank and banking industry. Non-bank financial enterprises mainly focus on securities issuance, underwriting, trading, enterprise restructuring, portfolio analysis, investment income analysis, venture capital, corporate financing and other business processes, and are key financing intermediaries in the financial system.

Investment banking is usually related to the financial industry, and most financing intermediary activities are within the business scope of investment banks. In addition to intermediate business processes, it plays a particularly important role in venture capital and stock trading. Many companies are short of assets when they are newly developed, and investment banks can allocate all the existing funds to potential companies. That will allow companies that lack assets to develop, and at the same time, they will also get corresponding benefits. The business processes of investment banks have honed their work experience and professional skills. Without weak working ability, the business process of investment banks will be difficult to complete.