A wireless local area network configuration method, comprising: acquiring a first mobile country code MCC from a user card of a wireless terminal; determining first wireless local area network configuration information corresponding to the first MCC; and performing wireless local area network configuration for the wireless terminal by using the first wireless local area network configuration information; characterized in that, the determining first wireless local area network configuration information corresponding to the first MCC comprises: determining, according to a preset correspondence between an MCC and wireless local area network configuration information, the first wireless local area network configuration information corresponding to the first MCC; the method further comprising: after the performing wireless local area network configuration for the wireless terminal by using the first wireless local area network configuration information; acquiring a third MCC corresponding to the wireless terminal from a wireless network accessed by the wireless terminal; comparing the third MCC with the first MCC; if the third MCC is inconsistent with the first MCC, determining, according to the correspondence between the MCC and wireless local area network configuration information, third wireless local area network configuration information corresponding to the third MCC; and performing wireless local area network configuration for the wireless terminal by using the third wireless local area network configuration information. acquiring a first mobile country code MCC from a user card of a wireless terminal; determining first wireless local area network configuration information corresponding to the first MCC; and performing wireless local area network configuration for the wireless terminal by using the first wireless local area network configuration information; characterized in that, the determining first wireless local area network configuration information corresponding to the first MCC comprises: determining, according to a preset correspondence between an MCC and wireless local area network configuration information, the first wireless local area network configuration information corresponding to the first MCC; the method further comprising: after the performing wireless local area network configuration for the wireless terminal by using the first wireless local area network configuration information; acquiring a third MCC corresponding to the wireless terminal from a wireless network accessed by the wireless terminal; comparing the third MCC with the first MCC; if the third MCC is inconsistent with the first MCC, determining, according to the correspondence between the MCC and wireless local area network configuration information, third wireless local area network configuration information corresponding to the third MCC; and performing wireless local area network configuration for the wireless terminal by using the third wireless local area network configuration information. determining, according to a preset correspondence between an MCC and wireless local area network configuration information, the first wireless local area network configuration information corresponding to the first MCC; the method further comprising: after the performing wireless local area network configuration for the wireless terminal by using the first wireless local area network configuration information; acquiring a third MCC corresponding to the wireless terminal from a wireless network accessed by the wireless terminal; comparing the third MCC with the first MCC; if the third MCC is inconsistent with the first MCC, determining, according to the correspondence between the MCC and wireless local area network configuration information, third wireless local area network configuration information corresponding to the third MCC; and performing wireless local area network configuration for the wireless terminal by using the third wireless local area network configuration information. after the performing wireless local area network configuration for the wireless terminal by using the first wireless local area network configuration information; acquiring a third MCC corresponding to the wireless terminal from a wireless network accessed by the wireless terminal; comparing the third MCC with the first MCC; if the third MCC is inconsistent with the first MCC, determining, according to the correspondence between the MCC and wireless local area network configuration information, third wireless local area network configuration information corresponding to the third MCC; and performing wireless local area network configuration for the wireless terminal by using the third wireless local area network configuration information.