A wireless network access method includes: sending, by a first terminal, a wireless network access request to a server, the wireless network access request carrying identification information of the first terminal and property information of a to-be-accessed wireless network; generating, by the server according to the wireless network access request, an image verification code and returning the image verification code to the first terminal for display; scanning, by a second terminal, the image verification code displayed by the first terminal, generating access authentication information, and sending the information to the server; and performing, by the server, wireless network access authentication according to the access authentication information, and connecting the first terminal and the second terminal to the wireless network after the authentication succeeds.