The invention discloses an urban multi-energy combined acquisition method on the basis of a conventional low-voltage power use information acquisition communication network, a communication interface converter is adopted as a multi-meter acquisition node, a micro power wireless Lora technique and a bus technique are comprehensively utilized, and through collaborative concurrent processing and protocol reconstruction of data of heterogeneous energy meters and multiplexing of multi-energy data processing platforms with dynamic flow loading, communication connection and data acquisition of electricity meters, water meters, gas meters and heat meters can be achieved by using a public service acquisition concentrator, service intercommunication, channel integration, resource sharing and service improvement can be achieved, and convenience can be brought to massive customers. Through acquisition of the communication interface converter, and collaborative concurrent processing and protocol reconstruction of the data of the heterogeneous energy meters, communication connection and data acquisition of the electricity meters, the water meters, the gas meters and the heat meters can be achieved by using the public service acquisition concentrator, and service intercommunication, channel integration, resource sharing and service improvement can be achieved, therefore, the urban multi-energy combined acquisition method has a good application prospect.