The invention provides a method for quickly obtaining Internet access permission of a wireless router based on NFC. The temporary Internet access permission of a new device can be obtained just by approaching the new device such as a mobile phone or an Ipad to an NFC sensing area of the wireless router to establish an NFC connection, the distance between the new device and the wireless router isautomatically detected, when it is detected that the new device is away from the wireless router, the temporary Internet access permission of the new device is automatically prohibited, and the devicethat has been added to a trust list always has the Internet access permission, so that the quick connection between the device and the wireless router is achieved, and the program is simple and intelligent.