The invention discloses a task processing method and device. The method includes: acquiring a task list sent by a server; determining a current task in the task list; pointing out execution steps of the current task according to a preset order to indicate, for a user, operation behaviors on a detection device; and acquiring detection data of the detection device. The method solves technical problems that those skilled in the art may make mistakes of missed detection, error detection and the like when executing the task through the detection device.