The invention provides elastic shoe soles. The elastic shoe soles comprise shoe sole bodies, the parts, corresponding to the human sole, of the bottoms of the shoe sole bodies are provided with accommodation cavities, openings of the accommodation cavities face downwards, the accommodation cavities are internally provided with elastic assemblies, the elastic assemblies comprise elastic cushion plates fixed to the bottoms of the accommodation cavities and elastic supporting parts arranged in the openings of the accommodation cavities, and the projections of the elastic cushion plates and the projections of the elastic supporting parts on a horizontal plane coincide with those of the accommodation cavities. The elastic shoe soles can be worn with many functions and are flexible to use.