The invention relates to a 
control system and method for controlling household appliances through voice. The 
system comprises a master control module, an audio 
input device, an audio playing device and a household appliance master 
control unit. The output end of the audio 
input device is connected with the input end of the master control module. The input end of the audio 
input device is connected with the output end of the master control module. The household appliance master 
control unit is in bidirectional connection with the communication port of the master control module. According to the 
system and method, the household appliances can be controlled through a voice command 
word group containing two keywords, wherein the first half of the voice command word is the first keyword, namely a household appliance awakening word, and the second half of the voice command word is the second keyword, namely a household appliance operating command word. For example, an intelligent air conditioner starting command 
word group is adopted, the first keyword, intelligent air conditioner, can awaken an air conditioner 
control unit, and the second keyword, starting, indicates the air conditioner control unit to achieve the starting action. The 
system and method can help a user to quickly control the household appliances through voice in a user-friendly mode.