Smart refrigerators are still in the market cultivation stage. Major brands have launched their own products. Taking Aucma intelligent interconnected refrigerator BCD-57 1WPGXI as an example, it is equipped with 2 1.5 inch touch screen and built-in intelligent operating system, which has the functions of voice recognition, audio-visual entertainment, food management, menu recommendation, online shopping and so on, and can realize intelligent food management. Such as massive intelligent menu recommendation, we can recommend tailor-made recipes according to users' dietary preferences and health management.