The invention relates to a method for instantly releasing information by utilizing WiFi (
Wireless Fidelity), A WiFi information base adopting an Mac (
media access control) address (or BSSID (
Basic Service Set Identifier), similarly hereinafter) of 
wireless AP (Access Point) equipment to be as an index mark is established at a service side; and intelligent 
terminal equipment instantly synchronizes the WiFi information base of the service side to a local base according to an increment synchronization mechanism, the intelligent terminal can search the local WiFi information base according to the 
Mac address of the AP equipment when scanning a WiFi 
signal of the AP equipment, and then, finds the WiFi information corresponding to the AP equipment, so that the information can be instantly released by utilizing the WiFi. Particularly, the method comprises the specific steps of: on the basis of the 
wireless AP equipment of a WiFi information releaser, extracting the 
Mac address to be as an 
information index, and establishing the complete WiFi information base of the service side; storing the WiFi information bases of near areas at the intelligent terminal, and instantly obtaining the latest information by the increment synchronization mechanism from the WiFi information base of the service side; and when the intelligent terminal scans the WiFi 
signal, searching the local WiFi information base according to the scanned 
Mac address of the AP equipment, and finding the WiFi information corresponding to the AP equipment. The method disclosed by the invention fills up the blank of the field of instantly releasing information by utilizing the WiFi.