An electromagnetically-driven liquid atomization device, comprising an atomizing core and an electromagnetic drive unit , wherein the atomizing core comprises a liquid storage tank and an electrical heating element ; the liquid storage tank is provided with a driving cavity and an extrusion cavity ; the driving cavity and the extrusion cavity are in fluid communication; an upper wall of the driving cavity is provided with an elastic diaphragm and a permanent magnet ; an upper end of the extrusion cavity is provided with an opening as a droplet releasing hole ; the electrical heating element is provided above the droplet releasing hole , and a surface of the electrical heating element and the droplet releasing hole are opposite and spaced apart by a distance; and the electromagnetic drive unit is provided at a bottom of the atomizing core ; wherein the atomizing core is further provided with a pressing plate , an upper sealing gasket , an extrusion cavity frame , a driving cavity body , a lower sealing gasket , a substrate and a base ; the liquid storage tank is enclosed by the driving cavity body , the elastic diaphragm , the upper sealing gasket , the lower sealing gasket and the substrate ; the pressing plate is provided on an outer wall of the elastic diaphragm ; the permanent magnet is provided between the pressing plate and the elastic diaphragm and is attached to a wall of the elastic diaphragm ; the extrusion cavity is inside the extrusion cavity frame , and the opening of the extrusion cavity is configured as the droplet releasing hole ; a center of each ofthe pressing plate , the permanent magnet and the elastic diaphragm is provided with a hole corresponding to the droplet releasing hole ; the base is provided at a bottom of the liquid storage tank ; the electromagnetic drive unit is located in a cavity of an electromagnetic drive rod , and the atomizing core is provided on an outer wall of the electromagnetic drive rod through the base . the atomizing core comprises a liquid storage tank and an electrical heating element ; the liquid storage tank is provided with a driving cavity and an extrusion cavity ; the driving cavity and the extrusion cavity are in fluid communication; an upper wall of the driving cavity is provided with an elastic diaphragm and a permanent magnet ; an upper end of the extrusion cavity is provided with an opening as a droplet releasing hole ; the electrical heating element is provided above the droplet releasing hole , and a surface of the electrical heating element and the droplet releasing hole are opposite and spaced apart by a distance; and the electromagnetic drive unit is provided at a bottom of the atomizing core ; wherein the atomizing core is further provided with a pressing plate , an upper sealing gasket , an extrusion cavity frame , a driving cavity body , a lower sealing gasket , a substrate and a base ; the liquid storage tank is enclosed by the driving cavity body , the elastic diaphragm , the upper sealing gasket , the lower sealing gasket and the substrate ; the pressing plate is provided on an outer wall of the elastic diaphragm ; the permanent magnet is provided between the pressing plate and the elastic diaphragm and is attached to a wall of the elastic diaphragm ; the extrusion cavity is inside the extrusion cavity frame , and the opening of the extrusion cavity is configured as the droplet releasing hole ; a center of each ofthe pressing plate , the permanent magnet and the elastic diaphragm is provided with a hole corresponding to the droplet releasing hole ; the base is provided at a bottom of the liquid storage tank ; the electromagnetic drive unit is located in a cavity of an electromagnetic drive rod , and the atomizing core is provided on an outer wall of the electromagnetic drive rod through the base . <EOS>