An energy Internet system, comprising: an alternating-current, AC, side energy routing conversion device comprising a plurality of first route ports; a direct-current, DC, side energy routing conversion device comprising a plurality of second route ports, wherein each of the plurality of second route ports is connected to a corresponding first route port by a corresponding DC busbar; and a plurality of energy devices , each connected to a DC busbar through a corresponding first AC/DC converter or a first DC/DC converter; wherein the AC side energy routing conversion device and the DC side energy routing conversion device are adapted to collect energy information of the plurality of energy devices , and are adapted to adjust energy of each of the plurality of energy devices on a basis of energy balance constraint conditions; wherein: the energy devices on each DC busbar comprise at least one of an energy storage device , a power consumption device , and a power generation device ; the energy information comprises voltage parameters, current parameters, power parameters, and electricity quantity parameters; characterized in that : the AC side energy routing conversion device comprises a plurality of third AC/DC converters ; first ends of the plurality of third AC/DC converters are connected to each other, and a second end of each of the plurality of third AC/DC converters is used as a first route port; the DC side energy routing conversion device comprises a plurality of third DC/DC converters ; first ends of the plurality of third DC/DC converters are connected to each other, and a second end of each of the plurality of third DC/DC converters is used as a second route port. an alternating-current, AC, side energy routing conversion device comprising a plurality of first route ports; a direct-current, DC, side energy routing conversion device comprising a plurality of second route ports, wherein each of the plurality of second route ports is connected to a corresponding first route port by a corresponding DC busbar; and a plurality of energy devices , each connected to a DC busbar through a corresponding first AC/DC converter or a first DC/DC converter; wherein the AC side energy routing conversion device and the DC side energy routing conversion device are adapted to collect energy information of the plurality of energy devices , and are adapted to adjust energy of each of the plurality of energy devices on a basis of energy balance constraint conditions; wherein: the energy devices on each DC busbar comprise at least one of an energy storage device , a power consumption device , and a power generation device ; the energy information comprises voltage parameters, current parameters, power parameters, and electricity quantity parameters; characterized in that : the AC side energy routing conversion device comprises a plurality of third AC/DC converters ; first ends of the plurality of third AC/DC converters are connected to each other, and a second end of each of the plurality of third AC/DC converters is used as a first route port; the DC side energy routing conversion device comprises a plurality of third DC/DC converters ; first ends of the plurality of third DC/DC converters are connected to each other, and a second end of each of the plurality of third DC/DC converters is used as a second route port. the AC side energy routing conversion device comprises a plurality of third AC/DC converters ; first ends of the plurality of third AC/DC converters are connected to each other, and a second end of each of the plurality of third AC/DC converters is used as a first route port; the DC side energy routing conversion device comprises a plurality of third DC/DC converters ; first ends of the plurality of third DC/DC converters are connected to each other, and a second end of each of the plurality of third DC/DC converters is used as a second route port. <EOS>