Abstract: This article designed an online reimbursement system of financial sharing center to solve the problems of internal control, budget and staff real-time view node progress, report analysis and other issues. The online reimbursement system used two-dimensional code and optical character recognition (OCR) technology, and combined with the overall framework of the financial sharing center. It implemented that employees could submit reimbursement forms online at any time, query reimbursement progress in real time, carry out internal control and budget control in real time, and generate and query financial management reports in real time. Through this reimbursement system, the efficiency of financial personnel was increased about 75%, the process of reimbursement was greatly improved. It was implemented the transformation of financial personnel from "accounting accountant" to "management accountant". The application results show that the online reimbursement system of the financial sharing center is feasible, which lays a foundation for the railway department to implement the financial sharing center.