The digital management of business files is very important for the digital development of provident fund. Digital management of business files can enable provident fund institutions to manage and use business file information more efficiently and accurately, improve work efficiency and service quality, and also help standardize business operations and prevent risks. Digital file management can also provide a richer data source for provident fund institutions. Through big data analysis and mining, we can better grasp market changes, social needs and customer needs, and provide more powerful support and promotion for the digital development of provident fund.