Under the background of modern medical concepts, orthodontic treatment needs to ensure the improvement of overall aesthetics and achieve coordination with facial soft tissue aesthetics. However, there are great individual differences among patients. How to obtain more comprehensive and real oral information of patients through scientific and effective ways and adopt targeted intervention methods is one of the important research directions in the field of orthodontic treatment at this stage. At present, with the rapid development of the digital field, many digital technologies are gradually applied to the field of orthodontics. This article mainly reviews the digital correction technology of data acquisition and analysis technology to provide reference for future orthodontic treatment.