A first step in which a client terminal connected to a manufacturer server is authenticated through a predetermined authentication database according to medical registration information and a calibration information input module of the manufacturer server is activated so as to improve the accuracy and economy of orthodontic treatment A second step of inputting a CT image and an oral scan image of the subject of orthodontic treatment through the client terminal as calibration details information and storing the inputted calibration details in an order list and storing it in an order database A third step of activating a calibration information check module of the manufacturer server through an administrator terminal connected to the manufacturer server and inputting confirmation information and error information of the order list The planning module of the manufacturer server is activated to extract an order list in which the confirmation information is inputted and the tooth image of the current tooth array and the tooth images of the current tooth arrangement image are virtually corrected according to the calibration details of the extracted order list A fourth step in which a target tooth array image is set and inputted as calibration guide information A fifth step in which the planning approval module of the manufacturer server is activated through the client terminal to input approval information and modification information of the calibration guide information And a sixth step of setting and outputting template design information for setting the template for orthodontic treatment based on the calibration guide information in which the template manufacturing module of the manufacturer server is activated and the approval information is input, To provide an information processing method.치열교정치료의 정확성 및 경제성이 개선되도록, 본 발명은 제조사서버에 접속된 클라이언트단말기가 의료등록정보에 따라 기설정된 인증데이터베이스를 통해 인증되고 상기 제조사서버의 교정정보입력모듈이 활성화되는 제1단계 상기 클라이언트단말기를 통해 치열교정치료 대상자의 CT이미지 및 오랄스캔이미지가 교정세부정보로 입력되고, 상기