An easier and more precise way of correcting an archwire in orthodontics. Resolution Means: A method of assisting orthodontics according to an embodiment including: a first acquisition step of acquiring target data showing a target dentition with a plurality of brackets installed; a second acquisition step of acquiring measurement data obtained by scanning an actual dentition of a patient with the plurality of brackets installed; a comparison step of obtaining a difference between the target data and the measurement data by comparing the target data and the measurement data; and a generation step of correcting a shape of an archwire attached to the plurality of brackets based on the difference, and generating wire data showing a corrected shape.