This independent study was conducted to study an evaluation of accounting information management of core banking system of the Bank for Agricultural Cooperatives in the lower north. Data were collected by using 365 questionnaires with a sample group of employees who worked at the Bank for Agriculture and Agricultural Cooperatives in the lower north. 329 questionnaires were returned (90.14%) and an analysis of the collected data was completed by the statistical program regarding frequency, percentage, and mean. According to the study results, the accounting information management of core banking system of the Bank for Agriculture and Agricultural Cooperatives in the lower north was divided into five areas consisted of accuracy, transparency, cost effectiveness, quick service and timely decision making, and involvement of decision making. The overall results were ranked in a high level. When considering each aspect, the accounting information management had a highest level on the aspect of quick service and timely decision making included online and real time data processing. The others were followed by the aspect of accuracy which included analysis and summary accurately, the aspect of transparency which was the encryption to protect against fraud, the aspect of involvement of decision making which was offering a wide range of formats, and the aspect of cost effectiveness which was reducing the period of operation to enable customers to use more services, respectively.