In the era of energy interconnection，the transition to integrated energy service providers has become an inevitable choice for traditional energy enterprises represented by power grid enterprises． On the basis of summarizing the basic connotation of integrated energy services，the current practical experiences of integrated energy services at home and abroad are compared and summarized，and the current situation and shortcomings of integrated energy services in business design and commercial operation in China are also pointed out． Then，the suggestions are proposed for power grid enterprises to develop integrated energy services from five aspects: strategic positioning，business positioning and construction，market positioning and marketing，information support and safeguard measures．