The purpose of the present invention is to provide a method for completing scheduling based on a users smartphone usage history wherein a user is guided to complete scheduling emotionally based on the users smartphone usage history. To this end, the method for completing scheduling based on a users smartphone usage history comprises: a user information inputting step for inputting user information to a smartphone; a usage history storing step for storing a users smartphone usage history in the smartphone by dividing the smartphone usage history according to the work contents of smartphone; a determining step of scheduling completion time for determining a time for outputting a message by using date and time within the smartphone; a usage history analysis step for analyzing a users smartphone usage history between a previous completion time and a current completion time according to scheduling completion time; a guide message setting step for setting contribution levels of the divided work contents of smartphone according to the number of times for being used and depending on whether a first usage is made, and outputting a guide message, which is related to a work content having a high contribution level, to the smartphone screen; and a guide message checking step wherein the user checks a guide message outputted via smartphone.
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