The invention discloses a sound control remote controller and control method of networked household appliances. The sound control remote controller comprises a display screen, a key, a radio receiving and transmitting unit and a main control
chip, wherein the display screen, the key and the radio receiving and transmitting unit are respectively connected with the main control
chip. The sound control remote controller also comprises a
communication interface device connected with a household appliance and / or remote terminal device with a gateway function, and also comprises a voice function part and a
remote control and networking function part, wherein the voice function part comprises a
pickup unit, an
amplifier circuit, a voice
processing chip, a power
amplifier unit, a storage unit and a
sound production part; the main control chip; the
remote control and networking function consist of the main control chip and the radio receiving and transmitting unit, the voice
processing chip is connected with the main control chip through a
communication interface, the
pickup unit is connected with the voice
processing chip through the
amplifier circuit, the storage unit is connected with the voice processing chip through a read-write port, and the voice processing chip is connected with the
sound production part through the power amplifier unit. By the sound control remote controller and the control method, household appliances are interacted and controlled by using voice, and networking control, remote voice interaction and remote
library file updating can be carried out.