The Internet of Things and smart home industry are the sunrise industries in the future, but at present, most of them are sold by concept, and the industry has never broken out. Now, most of them are cannon fodder. Especially in the smart home industry, the concept of advance is popular. For example, if the window track is equipped with a micro motor, the owner can automatically close and open the window if it rains; For example, if a reader writer is installed in the refrigerator, it can automatically read the electronic labels on the food package, and then summarize them to the mobile phone APP. You can go shopping in the supermarket and open the APP to know how much milk, vegetables and meat are left in the refrigerator, which is convenient for the supermarket to purchase; For another example, the air conditioner is equipped with a reader writer, which is controlled by the mobile phone APP. When you get home, start the air conditioner, and you can enjoy a cool summer once you enter the house. In a word, these home appliances controlled by mobile phone APP are called smart home appliances.