To propose a behavior modification support method having a relatively high possibility of behavior modification.SOLUTION: A behavior modification support system includes: a user input unit for accepting user input of a person who corresponds to a behavior of an object to be modified; a corresponding method specification unit for, on the basis of the user input, specifying a behavior of the object to be modified, a trigger of the behavior of the object to be modified, and a result of the behavior of the object to be modified and specifying a corresponding method complying with a combination of the behavior of the object to be modified, the trigger of the behavior of the object to be modified, and the result of the behavior of the object to be modified, using corresponding method information which indicates a corresponding method to the behavior for each combination of a behavior, a trigger of the behavior and a result of the behavior; and a corresponding method presentation unit for presenting the corresponding method specified by the corresponding method specification unit to the person.SELECTED DRAWING: Figure 1
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