A method for quickly starting an application service, comprising: acquiring, by a terminal, event trigger information in a screen locked state that is presented after a screen is lighted up in a screen-off state, wherein the event trigger information is used to start dial-up application software on the terminal; starting, by the terminal, the dial-up application software after determining that the event trigger information meets a preset quick startup condition; acquiring, by the terminal, a voice instruction input by a user, and running the dial-up application software according to the voice instruction; hiding a secure-lock unlocking interface to display a call interface on the screen; and displaying the secure-lock unlocking interface on the screen after a voice service is complete; wherein the acquiring, by a terminal, event trigger information in the screen locked state comprises: receiving, by the terminal, a button startup event that is input by the user by performing an operation on a physical button; and acquiring, by the terminal, the event trigger information according to the button startup event; wherein the starting, by the terminal, the dial-up application software after determining that the event trigger information meets a preset quick startup condition comprises: determining, by the terminal, whether a trigger time of the button startup event is greater than a preset threshold; and if yes, starting, by the terminal, the dial-up application software. acquiring, by a terminal, event trigger information in a screen locked state that is presented after a screen is lighted up in a screen-off state, wherein the event trigger information is used to start dial-up application software on the terminal; starting, by the terminal, the dial-up application software after determining that the event trigger information meets a preset quick startup condition; acquiring, by the terminal, a voice instruction input by a user, and running the dial-up application software according to the voice instruction; hiding a secure-lock unlocking interface to display a call interface on the screen; and displaying the secure-lock unlocking interface on the screen after a voice service is complete; wherein the acquiring, by a terminal, event trigger information in the screen locked state comprises: receiving, by the terminal, a button startup event that is input by the user by performing an operation on a physical button; and acquiring, by the terminal, the event trigger information according to the button startup event; wherein the starting, by the terminal, the dial-up application software after determining that the event trigger information meets a preset quick startup condition comprises: determining, by the terminal, whether a trigger time of the button startup event is greater than a preset threshold; and if yes, starting, by the terminal, the dial-up application software. receiving, by the terminal, a button startup event that is input by the user by performing an operation on a physical button; and acquiring, by the terminal, the event trigger information according to the button startup event; wherein the starting, by the terminal, the dial-up application software after determining that the event trigger information meets a preset quick startup condition comprises: determining, by the terminal, whether a trigger time of the button startup event is greater than a preset threshold; and if yes, starting, by the terminal, the dial-up application software. determining, by the terminal, whether a trigger time of the button startup event is greater than a preset threshold; and if yes, starting, by the terminal, the dial-up application software.