OPERATION SUPPORT SYSTEM AND OPERATION SUPPORT METHOD

PROBLEM TO BE SOLVED: To provide an operation support system which performs effective operation support according to a user in using a function prepared for an information terminal, and an operation support method.SOLUTION: An information terminal 100 includes an achievement rate calculation unit 120 that calculates an operation achievement rate, which is a ratio of operation completion with respect to a function prepared for the information terminal 100. The information terminal 100 includes an operation support unit 130 which supports operation in a support mode selected on the basis of information distributed from a center server 200.