The application discloses an online booking method and device. The method comprises the steps that target image identification is preset, the target image identification is correlated with a business booking page, and a user scans a target image by using a terminal; scanning information is uploaded to a server, and the corresponding relation between the scanning information and the business booking page is inquired by the server; and the corresponding business booking page is fed back to the terminal, an interface used for inputting personal related information for the user is provided in the business booking page, the user inputs the related information in the business booking page and submits the business booking page to the server so that the server is enabled to record booking business of the user. With application of the method, the user does not need to wait for a number for handling booking business in a processing hall, and booking business processing can be realized via terminal operation so that an operation mode is more convenient and time is saved for the user.