The invention discloses an adhesion La (Fe, Si)<13> bulk-shaped magnet with excellent heat-conducting property and a preparation method therefor, and belongs to the technical field of a functional material. A LaFe<11.5>Si<1.5>H<1.65> magnet is prepared by taking LaFe<11.5>Si<1.5>H<1.65> magnetic powder as a magnetic material, taking sodium silicate as a main binder, and taking high-temperature-resistant epoxy resin as an auxiliary binder. The strength of the obtained magnet is greatly improved while the prepared magnet has excellent heat-conducting property. By adoption of the adhesion La (Fe, Si)<13> bulk-shaped magnet with the excellent heat-conducting property and the preparation method therefor, the obtained magnet has high magnetothermal effect, relatively high strength, and simple equipment in an implementation process, simple and convenient operation, relatively low cost, easy realization of large-scale production, high economic value, and high application prospect in the magnetic cooling field.