1. A method for accessing a wireless access point, comprising:receiving, by a smart device, access information of the wireless access point broadcasted by a preset device, the access information including a Basic Service Set Identifier (BSSID) and an access password of the wireless access point, and the preset device having successfully accessed the wireless access point;
unicasting, by the smart device, device discovery information according to the BSSID, the device discovery information including the BSSID;
receiving, by the smart device, feedback information sent by the wireless access point, the feedback information including a Service Set Identifier (SSID) of the wireless access point; and
accessing, by the smart device, the wireless access point according to the SSID in the feedback information and the access password,
wherein the SSID of the wireless access point is a first SSID, and the access information broadcasted by the preset device further includes a second SSID, the method further comprising:
before unicasting the device discovery information according to the BSSID, detecting whether the second SSID in the access information includes a preset character, the preset character having a plurality of coding formats; and
when the preset character is included in the second SSID, performing the unicasting of the device discovery information according to the BSSID.