As an important physical carrier of energy Internet, regional energy Internet is of great significance to improve regional clean energy consumption level, comprehensive energy efficiency level and energy security level. Starting from the connotation and characteristics of regional energy Internet, the boundary and system framework of regional energy Internet are summarized.By combing the construction cases of regional energy Internet, the typical experience of different types of regional energy Internet construction is summarized, including provincial level, city level, terminal level. The development mode of regional energy Internet is expounded from multiple dimensions. The construction scheme of regional energy Internet is put forward, forming diversified solutions at macro level. A reference for the planning, design and construction of regional energy Internet under the complicated situation is provided.