With the progress of artificial intelligence, as the key content of AI+ industrial layout, intelligent voice hasbeen fully supported in policy guidance, technology research and market investment and financing. Based on thedevelopment of international and domestic enterprises, the intelligent voice industry chain is now monopolized by giants, the key voice data service is increasingly prominent, and the industry ecology has formed a complete closed loop. This paper expounds the multi-mode development of“intelligent voice +”from the perspective of the integration of software, hardware and scene, and proposes the future development trend of intelligent voice industry——“taking multi-mode integration as the new goal, scene fitting as the new mode, and the IoT as the new direction”.