Disclosed are a driving control method and system of a vehicle. The driving control system includes a target calculator configured to calculate a target control value regarding behavior of the vehicle based on driving information with which the vehicle will travel, a correction calculator configured to calculate a corrected control value regarding the behavior of the vehicle based on the driving information and behavior data of the vehicle depending on the driving information, and a controller configured to control driving of the vehicle based on the target control value calculated by the target calculator and the corrected control value calculated by the correction calculator.