A method (100, 200), implemented by a processor of an information processing device or of a server (310, 510), for controlling wireless data traffic of the information processing device that accesses the server through a Wi-Fi hotspot, the method comprising: obtaining (101, 201) a recognition identifier of the Wi-Fi hotspot device; determining (102, 202), by the processor (310, 510), a type of the Wi-Fi hotspot device according to the recognition identifier; and controlling (103, 203) the wireless data traffic of the information processing device (300, 500) transferred through the Wi-Fi hotspot device according to the type of the Wi-Fi hotspot device and a corresponding wireless data traffic control strategy, wherein the type of the Wi-Fi hotspot is a wireless router or an intelligent terminal device and wherein the recognition identifier comprises a Media Access Control address of the Wi-Fi hotspot and a Service Set Identifier of the Wi-Fi hotspot device; and determining (102, 202) the type of the Wi-Fi hotspot device according to the recognition identifier comprises: looking up information of a device manufacturer corresponding to the Media Access Control address in an Organizationally Unique Identifier distribution library; when the information of the device manufacturer corresponding to the Media Access Control address is not found in the Organizationally Unique Identifier distribution library, determining (102, 202) the type of the Wi-Fi hotspot device according to a preset character string that exists in the Service Set Identifier of the Wi-Fi hotspot device; and wherein controlling the wireless data traffic of the information processing device (300, 500) according to the type of the Wi-Fi hotspot device and the corresponding wireless data traffic control strategy further comprises: when the determined type of the Wi-Fi hotspot device is an intelligent terminal device, forbidding the information processing device (300, 500) from downloading a file having a size exceeding a preset value. obtaining (101, 201) a recognition identifier of the Wi-Fi hotspot device; determining (102, 202), by the processor (310, 510), a type of the Wi-Fi hotspot device according to the recognition identifier; and controlling (103, 203) the wireless data traffic of the information processing device (300, 500) transferred through the Wi-Fi hotspot device according to the type of the Wi-Fi hotspot device and a corresponding wireless data traffic control strategy, wherein the type of the Wi-Fi hotspot is a wireless router or an intelligent terminal device and wherein the recognition identifier comprises a Media Access Control address of the Wi-Fi hotspot and a Service Set Identifier of the Wi-Fi hotspot device; and determining (102, 202) the type of the Wi-Fi hotspot device according to the recognition identifier comprises: looking up information of a device manufacturer corresponding to the Media Access Control address in an Organizationally Unique Identifier distribution library; when the information of the device manufacturer corresponding to the Media Access Control address is not found in the Organizationally Unique Identifier distribution library, determining (102, 202) the type of the Wi-Fi hotspot device according to a preset character string that exists in the Service Set Identifier of the Wi-Fi hotspot device; and looking up information of a device manufacturer corresponding to the Media Access Control address in an Organizationally Unique Identifier distribution library; when the information of the device manufacturer corresponding to the Media Access Control address is not found in the Organizationally Unique Identifier distribution library, determining (102, 202) the type of the Wi-Fi hotspot device according to a preset character string that exists in the Service Set Identifier of the Wi-Fi hotspot device; and wherein controlling the wireless data traffic of the information processing device (300, 500) according to the type of the Wi-Fi hotspot device and the corresponding wireless data traffic control strategy further comprises: when the determined type of the Wi-Fi hotspot device is an intelligent terminal device, forbidding the information processing device (300, 500) from downloading a file having a size exceeding a preset value.