Mature electricity market mechanisms are conducive to the development of energy Internet technologies such as virtual power plant, demand response and integrated energysystem. Several countries such as the United States, Denmark, and Germany,have accumulated abundant experience by using electricity market mechanisms to foster the development of energy Internet technologies. The relationship between energy Internet and electricity market is analyzed firstly. In addition, the mechanisms that different energy Internet projects participate in the electricity market are summarized. Finally, based on the experience of these countries, suggestions are proposed to help the development of energy Internet under the circumstance of electricity market in China.