Voice input and key control system and method

The invention provides a voice input and key control system and method, and the system specifically comprises a voice input module which is used for collecting a user instruction and sound data inputted externally; the voice recognition module is used for acquiring a user instruction and voice data input externally, the voice recognition module is used for processing and analyzing voice resources, then performing control selection and then issuing text and key instructions, and the voice recognition module can exclude instruction input of a non-user and is used for improving recognition accuracy; and the voice processing module is used for processing the analysis result of the voice recognition module. According to the invention, data input can be carried out without manually operating a keyboard, externally input voice messages are collected through the voice input and key control system, and then recognized voices are converted into characters through the converter, or the voices are converted into operatio