A wireless terminal configuration method, comprising: scanning, by a registration apparatus, a multi-dimensional code of a wireless terminal to acquire multi-dimensional code information, wherein the multi-dimensional code information comprises a configuration password of the wireless terminal; and encrypting, by the registration apparatus, configuration information based on the configuration password, and sending the encrypted configuration information to the wireless terminal by using a wireless access device associated with the registration apparatus, so that the wireless terminal accesses the wireless access device according to the configuration information; characterized in that the encrypting, by the registration apparatus, configuration information based on the configuration password, and sending the encrypted configuration information to the wireless terminal through a wireless access device associated with the registration apparatus comprises: generating, by the registration apparatus, a first random nonce, sending the first random nonce to the wireless terminal through the wireless access device, and receiving a second random nonce that is sent by the wireless terminal through the wireless access device; obtaining, by the registration apparatus, a first key by using a first preset algorithm based on the first random nonce, the second random nonce, and the configuration password; and encrypting, by the registration apparatus, the configuration information by using the first key, and sending the encrypted configuration information to the wireless terminal through the wireless access device. scanning, by a registration apparatus, a multi-dimensional code of a wireless terminal to acquire multi-dimensional code information, wherein the multi-dimensional code information comprises a configuration password of the wireless terminal; and encrypting, by the registration apparatus, configuration information based on the configuration password, and sending the encrypted configuration information to the wireless terminal by using a wireless access device associated with the registration apparatus, so that the wireless terminal accesses the wireless access device according to the configuration information; characterized in that the encrypting, by the registration apparatus, configuration information based on the configuration password, and sending the encrypted configuration information to the wireless terminal through a wireless access device associated with the registration apparatus comprises: generating, by the registration apparatus, a first random nonce, sending the first random nonce to the wireless terminal through the wireless access device, and receiving a second random nonce that is sent by the wireless terminal through the wireless access device; obtaining, by the registration apparatus, a first key by using a first preset algorithm based on the first random nonce, the second random nonce, and the configuration password; and encrypting, by the registration apparatus, the configuration information by using the first key, and sending the encrypted configuration information to the wireless terminal through the wireless access device. generating, by the registration apparatus, a first random nonce, sending the first random nonce to the wireless terminal through the wireless access device, and receiving a second random nonce that is sent by the wireless terminal through the wireless access device; obtaining, by the registration apparatus, a first key by using a first preset algorithm based on the first random nonce, the second random nonce, and the configuration password; and encrypting, by the registration apparatus, the configuration information by using the first key, and sending the encrypted configuration information to the wireless terminal through the wireless access device.