A device with a built-in broadband dial-up function, comprising: a universal serial bus, USB, communication interface module, connected to a network terminal, and adapted to realize an information interaction between the network terminal and Internet; a first storage module, adapted to store a driver of the device; a processor, adapted to install the driver of the device itself stored in the first storage module into the network terminal connected with the USB communication interface module of the device, and to analyze and process received data information; and a network dial-up interface module, connected between the processor and a telephone line, and adapted to get access to the Internet through the telephone line, characterized in that the processor further comprises: a detection unit, adapted to detect whether the driver of the device itself is installed into the network terminal connected with the USB communication interface module of the device or not through the USB communication interface module; an automatic installation unit, adapted to read the driver of the device itself from the first storage module of the device and automatically install the driver of the device itself into the network terminal connected with the USB communication interface module of the device when an detection result of the detection unit is that the driver of the device itself is not installed in the network terminal connected with the USB communication interface module of the device; and an analysis and processing unit, adapted to analyze and process requests of the network terminal and response information of the Internet, and to transmit a processing result to the network terminal or to the Internet outside the device. a universal serial bus, USB, communication interface module, connected to a network terminal, and adapted to realize an information interaction between the network terminal and Internet; a first storage module, adapted to store a driver of the device; a processor, adapted to install the driver of the device itself stored in the first storage module into the network terminal connected with the USB communication interface module of the device, and to analyze and process received data information; and a network dial-up interface module, connected between the processor and a telephone line, and adapted to get access to the Internet through the telephone line, characterized in that the processor further comprises: a detection unit, adapted to detect whether the driver of the device itself is installed into the network terminal connected with the USB communication interface module of the device or not through the USB communication interface module; an automatic installation unit, adapted to read the driver of the device itself from the first storage module of the device and automatically install the driver of the device itself into the network terminal connected with the USB communication interface module of the device when an detection result of the detection unit is that the driver of the device itself is not installed in the network terminal connected with the USB communication interface module of the device; and an analysis and processing unit, adapted to analyze and process requests of the network terminal and response information of the Internet, and to transmit a processing result to the network terminal or to the Internet outside the device. a detection unit, adapted to detect whether the driver of the device itself is installed into the network terminal connected with the USB communication interface module of the device or not through the USB communication interface module; an automatic installation unit, adapted to read the driver of the device itself from the first storage module of the device and automatically install the driver of the device itself into the network terminal connected with the USB communication interface module of the device when an detection result of the detection unit is that the driver of the device itself is not installed in the network terminal connected with the USB communication interface module of the device; and an analysis and processing unit, adapted to analyze and process requests of the network terminal and response information of the Internet, and to transmit a processing result to the network terminal or to the Internet outside the device.