The future may be like this: the energy consumption of buildings can be adjusted at any time according to the number of people in the building; the switching time of air conditioners, electric lights and other appliances can be remotely controlled according to individual needs; the surplus electricity can be easily transferred on a smartphone or computer. Selling to others... It’s not just about imagination, it’s already in practice, and the realization of these things is based on the energy Internet. The energy Internet will be a technology that subverts tradition. From the Internet to the Internet of Things, from the Industrial Internet to the Energy Internet, “hundreds of millions of people will produce their own renewable energy at home, in the office and in the factory, and share the green energy through the 'Energy Internet'. Sharing information is the same.