Building energy-saving device based on efficient heat dissipation technology and use method of building energy-saving device

The invention belongs to the field of solar energy conservation, and particularly provides a building energy-saving device based on an efficient heat dissipation technology and a using method thereof.The building energy-saving device comprises a multi-angle efficient solar heat collection mechanism, an efficient heat conduction water tank mechanism, an energy-saving heating waterway filtering and pressurizing mechanism, an energy-saving heat exchange pipeline mechanism and a heat insulation and preservation box body mechanism; the efficient heat conduction water tank mechanism is arranged in the heat insulation and preservation box body mechanism, the energy-saving heating waterway filtering and pressurizing mechanism is arranged on the outer side wall of the heat insulation and preservation box body mechanism, the energy-saving heat exchange pipeline mechanism is arranged on the outer side wall of the heat insulation and preservation box body mechanism, and the multi-angle efficient solar heat collection mec