The present disclosure provides an equivalent aggregation method and an apparatus for an electro-thermal coupled virtual power plant. The method includes: obtaining an equivalence model in a heating section of the electro-thermal coupled virtual power plant by training a support vector machine; establishing a computing model for equivalent aggregation of the electro-thermal coupled virtual power plant; and realizing the equivalent aggregation of the electro-thermal coupled virtual power plant by solving the computing model for the equivalent aggregation of the electro-thermal coupled virtual power plant.