A preparation method of a nest-like Sb2Se3 electrode material for a sodium ion battery negative electrode comprises the following steps: 1) dissolving antimony potassium tartrate into deionized water, and completely stirring to completely dissolve the antimony potassium tartrate to obtain a mixed liquid A; 2) dispersing selenium powder into hydrazine hydrate with mass percentage being 50 percent, and stirring to obtain a mixed liquid B; 3) mixing the obtained mixed liquid B and the mixed liquid A to obtain a mixed liquid C, performing hydrothermal reaction at the temperature of 120 to 180 DEG C for 3 hours to 24 hours, naturally cooling to a room temperature after the reaction, washing and separating precipitate, and freeze-drying the precipitate obtained by separation under the vacuum condition to obtain the Sb2Se3 electrode material. The preparation method is simple in operation, easy in repletion, short in cycle, pollution-free and suitable for large-scale production of the Sb2Se3 electrode materials.