A system for measuring frying oil acid value and providing frying oil acid value information in real time according to the present invention includes a fryer provided in a branch shop, configured to cook fried food, and having a function of measuring TPM value of frying oil, a POS terminal configured to manage frying oil information and customer information including phone numbers of customers of the branch shop, an integration server configured to collect and analyze the frying oil information and the customer information, and a customer terminal configured to make an order of the fried food via a communication with the POS terminal or the integration server. According to the present invention, a sanitary dining environment can be provided since shops cannot arbitrarily reuse frying oil, and a brand image can be improved by providing a real-time information service to customers.