Audio intelligent lock capable of connecting to network and mobile phone terminal authorization unlocking method

The invention relates to an audio intelligent lock capable of connecting to a network and a mobile phone terminal authorization unlocking method, and belongs to the technical field of intelligent locks. A lock mounted in a house often rented is required to be authored frequently by a house-owner to be unlocked by different people, and the authorization is required to be canceled after a tenancy term, so that an intelligent lock low in cost and convenient to operate and manage is particularly required. The audio intelligent lock comprises an audio intelligent lock body, an intelligent lock authorization and password control system on an Internet server, a house-owner mobile phone terminal and an authorized mobile phone terminal; the house-owner acquire managing authority to the audio intelligent lock body by binding an audio intelligent lock ID via an APP of the house-owner mobile phone terminal, and can authorize a plurality of mobile phone numbers for unlocking and use time limits for the audio intelligent l