The handler of the bank confirmation letter writes the business handler, who is mostly the financial person in charge and can feed back relevant information more accurately. For legal persons that are not state agencies, state-owned enterprises, or public institutions, their legal representatives can also serve as financial controllers. However, accountants appointed by state agencies, state-owned enterprises, and public institutions shall implement a recusal system and shall not serve as financial managers. Finance: Financial management is the management of asset acquisition (investment), capital financing (financing), operating cash flow (working capital), and profit distribution under certain overall goals. Financial management is an integral part of enterprise management. It is an economic management work that organizes enterprise financial activities and handles financial relationships in accordance with financial laws and regulations and in accordance with the principles of financial management. Simply put, financial management is an economic management task that organizes corporate financial activities and handles financial relationships.