You can order Mengniu's fresh milk on your mobile phone, and you can use WeChat to search for fresh food. There is a shopping mall in the lower left corner, but it seems that this function can only be used in some areas, and some areas do not. If yes, select the goods, go to the smart cabinet at the designated place, and scan the code to open it. Or you can order from JD.COM, the logistics is very fast, so you need to buy at any time.