The invention discloses a self-help voice service automatic processing method comprising the steps as follows: receiving a user instruction, and judging whether the user instruction contains a service provider and a service input by the user; if the user instruction contains a service provider and a service input by the user, confirming whether the service provider and the service input by the user are effective; and if confirming that the service provider and the service input by the user are effective, automatically processing a self-help voice service and returning a processing result. The invention further discloses a self-help voice service automatic processing device and a mobile terminal. Self-help voice services can be processed automatically, so that user's frequent operation is reduced, the efficiency of interaction between users and self-help voice service providers is improved, and the user experience is improved.