Risk control: a term in modern economic management, which refers to controlling the financial loss risk of enterprises. In short, it is "preventing financial losses". For the convenience of memory, it can be understood as "risk control". Risk control means that risk managers take various measures and methods to eliminate or reduce the possibility of risk events, or risk controllers reduce the losses caused by risk events. The core of finance is risk control, which is accompanied by the whole process of project implementation. The emergence of risks will increase the cost of the project, slow down the progress of the project, and have a great impact on the quality of project completion, thus affecting the expected income of investors. Therefore, it is necessary to analyze the project risk and discuss how to control it.