Smart refrigerator, server and language control system and method

A smart refrigerator (100), a server (200) and a language control system and method. The smart refrigerator (100) comprises: a master control module (110) and a voice module (120), the voice module (120) being used for collecting a voice signal, and transmitting the voice signal to the master control module (110); the master control module (110) being used for determining, according to the voice signal and a pre-stored password set, whether to control the refrigerator (100) to perform an operation corresponding to the voice signal. The smart refrigerator improves the accuracy of voice signal recognition and solves the problem of recognizing the voice signal in real time.