Abstract: Provided are methods and devices for sending or receiving a wireless parameter. The sending method includes that: a wireless configuration parameter is coded into a digital sequence, wherein the wireless configuration parameter is used for configuring a wireless parameter of a receiving party which receives the wireless configuration parameter; and data messages corresponding to the digital sequence are sent, wherein length sequences of the data messages correspond to the digital sequence. By the technical solution, the problems of additional hardware requirement and low security of sending and receiving of the wireless configuration parameter in a WLAN are solved, hardware cost is reduced, and sending and receiving security is improved.