The improvement of financial management of private enterprises in mountainous areas depends on the joint efforts of all accounting personnel. The quality of accounting personnel greatly affects the pace of improvement of financial management. In private enterprises in mountainous areas, financial supervisors with strong comprehensive ability and excellent accounting professional and technical level are particularly needed. They can make systematic plans according to the development strategy and management goals of the enterprise, assist private entrepreneurs in mountainous areas to manage finances according to law, and guide accounting personnel to carry out work in a standardized manner. At the same time, private enterprises in mountainous areas also need excellent accounting personnel at all levels, such as cashiers, material clerks, wage accountants, cost accountants, and accounting positions such as accounts receivable business to consumer database management, cost management, income management, tax management, and financial analysis. The entire financial management must be based on their mutual cooperation and joint efforts to ensure the authenticity and completeness of accounting information in all links, so as to ensure the quality of corporate accounting information. Therefore, private entrepreneurs in mountainous areas must focus on cultivating a high-quality accounting team to meet the needs of sustainable and stable development of enterprises.