The invention provides a receiver voice encryption and connection system comprising a receiver system used for collecting, encrypting, storing and recognizing a correct voice secret order and connecting, and a handheld front-end in encrypted connection with the receiver system, wherein the receiver system comprises an audio collection unit used for collecting voice data, an audio encryption unit connected with the audio collection unit and used for encrypting codes, a database unit connected with the audio encryption unit and used for building an encrypted database, and a first connection unitconnected with the database unit and used for building a wireless connection. The equipment provided by the invention is simple to integrate, low in cost and easy to operate; the user sends out voicevia the handheld front-end, after signal amplification, signal encryption and voice matching are performed on the voice data via the receiver system, the receiver system can build the wireless connection with the handheld front-end, so as to be convenient and fast. By using the system provided by the invention, the receiver front-end such as a palmtop and the like can be conveniently and more safely wirelessly connected with the receiver.