The particularity of driving environment determines that the human-computer interaction in the era of vehicle Internet cannot use mouse, keyboard, mobile phone touch screen, and the safety and convenience of voice interaction will naturally become the best way of human-computer interaction, which will be the booster for the development of automobile Internet. Mature voice technology allows drivers to place orders on the Internet of vehicles through voice, and can receive services provided by the Internet of vehicles with their ears, which is more suitable for experiencing in the fast moving space of vehicles. Mature speech recognition technology relies on powerful corpus and operational capability, so the development of vehicle-mounted speech technology itself depends on network. Because the storage capacity and operation capacity of on-board terminals cannot solve the voice recognition technology of non-fixed commands, "cloud recognition" technology based on server technology must be adopted. A large number of speech recognition data are collected and calculated. Relying on network computing technology, a unique voice platform engine based on mobile Internet environment is built to realize the recognition of multiple languages and even dialects.