Since the beginning of 2019，the intelligent audio industry has presented a “blowout” development trend. Compared with the previous initial stage of pursuing the extensive involvement of intelligent voice content，form，equipment，technology and other aspects，at the present stage，intelligent audio pays more attention to how to match the pace of the Internet of everything from intelligence to wisdom. Therefore，this report not only reviews the rich development achievements of various kinds of intelligent audio，but also summarizes the characteristics of them. The problems and development difficulties exposed by intelligent audio in the process of human-computer fusion to the advanced stage are also sorted out，so as to put forward four upgrading paths，including highlighting voice advantage，broadening scene entrance，encouraging scientific and technological innovation，and transmitting voice temperature. Intelligent audio system will become a thing of the past，and smart audio system implementation，need all parties to pay attention and contribute strength.