The invention provides a rubber composition. The rubber composition mainly comprises at least one type of polar or non-polar rubber, at least one type of fillers, at least one type vulcanizing agents, at least one type of accelerators, optional scotch retarders and optional aromatic substances. Each accelerator is a chemical compound with two or more X-Y single bonds, wherein the X selectively represents O and S elements, and the Y selectively represents N and P elements. The environment-friendly rubber composition and a tire (spare tire in particular) prepared from the rubber composition have the advantages that the rubber composition comprises the modified accelerators and the modified scotch retarders, accordingly, generation of organic volatile matters such as aniline, cyclohexylamine, tert-butylamine and imine with pungent odor can be reduced, and the problem of odor of existing tires can be solved; substances such as carbon black and zinc oxide with fine powder can be omitted, and accordingly dust hazards on operators in production procedures can be reduced; the rubber composition comprises the added aromatic substances, and accordingly fragrant smell of the tire further can be enhanced.