A method for accessing a data card equipment for networking operation, comprising the following steps: loading a user application module, a control instruction library and a driver of the data card equipment in a computer configured with a Mac operating system, wherein the control instruction library provides an Application Programming Interface, API, and the user application module comprises a browser and an instruction sending module; creating a virtual network interface matching with equipment attributes according to the equipment attributes reported by the data card equipment when the data card equipment is connected with the computer and the driver is loaded successfully; the user application module sending a control instruction to the control instruction library via the API, wherein the control instruction library is a function library containing a plurality of control instructions; the control instruction library preliminarily packing the control instruction into a data packet, and outputting the packed instruction into a data packet via an IOUserClient class interface in the computer; an upper driver analyzing the data packet that is input by the control instruction library and that contains the control instruction, and encapsulating the control instruction in a communication control protocol format and then forwarding the control instruction; and a lower driver sending the data packet containing the control instruction to the data card equipment via a communication pipe; wherein the lower driver sending the data packet containing the control instruction to the data card equipment via a communication pipe comprises: the lower driver sorting the control instruction and data streams, and performing data interaction with the data card equipment via a control pipe and a data streams input/output pipe respectively. loading a user application module, a control instruction library and a driver of the data card equipment in a computer configured with a Mac operating system, wherein the control instruction library provides an Application Programming Interface, API, and the user application module comprises a browser and an instruction sending module; wherein the control instruction library provides an Application Programming Interface, API, and the user application module comprises a browser and an instruction sending module; creating a virtual network interface matching with equipment attributes according to the equipment attributes reported by the data card equipment when the data card equipment is connected with the computer and the driver is loaded successfully; according to the equipment attributes reported by the data card equipment when the data card equipment is connected with the computer and the driver is loaded successfully; the user application module sending a control instruction to the control instruction library via the API, wherein the control instruction library is a function library containing a plurality of control instructions; wherein the control instruction library is a function library containing a plurality of control instructions; the control instruction library preliminarily packing the control instruction into a data packet, and outputting the packed instruction into a data packet via an IOUserClient class interface in the computer; preliminarily packing the control instruction into a data packet, and outputting the packed instruction into a data packet via an IOUserClient class interface in the computer; an upper driver analyzing the data packet that is input by the control instruction library and that contains the control instruction, and encapsulating the control instruction in a communication control protocol format and then forwarding the control instruction; and analyzing the data packet that is input by the control instruction library and that contains the control instruction, and encapsulating the control instruction in a communication control protocol format and then forwarding the control instruction; and a lower driver sending the data packet containing the control instruction to the data card equipment via a communication pipe; wherein the lower driver sending the data packet containing the control instruction to the data card equipment via a communication pipe comprises: the lower driver sorting the control instruction and data streams, and performing data interaction with the data card equipment via a control pipe and a data streams input/output pipe respectively. the lower driver sorting the control instruction and data streams, and performing data interaction with the data card equipment via a control pipe and a data streams input/output pipe respectively. sorting the control instruction and data streams, and performing data interaction with the data card equipment via a control pipe and a data streams input/output pipe respectively.