Information synchronization method and device for preventing Wi-Fi squatter of master and slave devices

The embodiment of the invention discloses an information synchronization method and device for preventing network squatting of WiFi of a master device and a slave device, and the method comprises the steps: determining whether a current network device to be connected to the Internet has a network access right or not in a Mesh network comprising a master device and a plurality of slave devices; under the condition of determining that the current network equipment to be connected to the Internet has the network access authority, acquiring the authority level of the current network equipment to be connected to the Internet; according to the permission level, matching and determining a corresponding target network connection rule from a plurality of preset network connection rules for preventing network squatting, so as to permit the current network equipment to perform network connection based on the target network connection rule; target device information of the current network device connected to the Internet