Abstract: Clean and low-carbon development has reached broad consensus around the world, the new type power system is an important platform for energy transformation. Virtual power plant is the basic element of the construction for new type power system, to provide important support for the realization of dual carbon goal. Reasonable classification and aggregate management of internal resources in virtual power plant is the key point to tap the potential of resources and optimize the regulation. Firstly, classification method of virtual power plant resources is described from five perspectives: main resource type, adjustability, source-storage-load, demand response mode and aggregator operation. Secondly, based on the idea of building a single resource model to a resource cluster model, the resource aggregation scheme of virtual power plant is analyzed, and a trapezoidal model of schedulable potential is proposed. Then, the semi-controlled resources and controllable resources are analyzed, the aggregation model of semi-controlled resources and controllable resources is constructed, and the adjustable space of virtual power plant is quantified. Finally, on the basis of source-load-storage classification, a single model of source-load-storage is proposed, and a two-stage resource aggregation strategy is used to sketch the external characteristics of virtual power plant resource aggregation. Virtual power plant resource classification method and resource aggregation scheme proposed in this paper, as an important technical means of virtual power plant extensive aggregation and regulation of multiple resources on the demand side, can help improve the flexibility and regulation ability of new type power system.