TThe existing problems of spare parts management and their improvements in domestic nuclear power station at present and the additive manufacturing features are briefly expounded. The coherence points of additive manufacturing and spare parts management are put forward. Based on the model of spare parts united storage,the model of supplier virtual united storage is put forward,the advantage of this model which can reduce the spare parts management cost and promote management quality is introduced. The generalized and applied routes of additive manufacturing in spare parts field is pointed out.