A Wireless Fidelity, Wi-Fi, scanning method, applied to a mobile terminal, the method comprises: acquiring X parameters of a target Access Point, AP, the X parameters at least comprising a target Service Set Identifier, SSID, of the target AP, where X is a positive integer; performing first Wi-Fi scanning according to the X parameters; characterized by when the target AP is not found by the first Wi-Fi scanning, acquiring encryption schemes of one or more hidden APs to get H encryption schemes, where H is a positive integer; and performing second Wi-Fi scanning according to the target SSID and at least one of the H encryption schemes, wherein the step of acquiring encryption schemes of one or more hidden APs comprises at least one of the following: determining M Wi-Fi connection records from historical Wi-Fi connection data, each of the M Wi-Fi connection records comprising information of an AP which has ever been successfully accessed, where M is a positive integer; and acquiring H Wi-Fi connection records from the M Wi-Fi connection records, and acquiring the encryption schemes of the H Wi-Fi connection records; acquiring at least one AP with a null SSID from a scanning result, and acquiring an encryption scheme of the at least one AP; acquiring an AP comprising the target SSID from the scanning result, and acquiring an encryption scheme of the AP. acquiring X parameters of a target Access Point, AP, the X parameters at least comprising a target Service Set Identifier, SSID, of the target AP, where X is a positive integer; performing first Wi-Fi scanning according to the X parameters; characterized by when the target AP is not found by the first Wi-Fi scanning, acquiring encryption schemes of one or more hidden APs to get H encryption schemes, where H is a positive integer; and performing second Wi-Fi scanning according to the target SSID and at least one of the H encryption schemes, wherein the step of acquiring encryption schemes of one or more hidden APs comprises at least one of the following: determining M Wi-Fi connection records from historical Wi-Fi connection data, each of the M Wi-Fi connection records comprising information of an AP which has ever been successfully accessed, where M is a positive integer; and acquiring H Wi-Fi connection records from the M Wi-Fi connection records, and acquiring the encryption schemes of the H Wi-Fi connection records; acquiring at least one AP with a null SSID from a scanning result, and acquiring an encryption scheme of the at least one AP; acquiring an AP comprising the target SSID from the scanning result, and acquiring an encryption scheme of the AP. determining M Wi-Fi connection records from historical Wi-Fi connection data, each of the M Wi-Fi connection records comprising information of an AP which has ever been successfully accessed, where M is a positive integer; and acquiring H Wi-Fi connection records from the M Wi-Fi connection records, and acquiring the encryption schemes of the H Wi-Fi connection records; acquiring at least one AP with a null SSID from a scanning result, and acquiring an encryption scheme of the at least one AP; acquiring an AP comprising the target SSID from the scanning result, and acquiring an encryption scheme of the AP.