As China's characteristic socialism enters a new era, the library that providing spiritual and cultural products should be closely linked to the changes of main contradictions in the new era society. The supply side structural reform should be used to solve the supply side problems such as the imbalance of supply and demand, unreasonable structure, imperfect mechanism, inadequate development and so on. From the aspects of supply subject, space, resources, planning and object, the system construction of reading promotion service is discussed, and the innovation path such as strong management, structural adjustment, transformation, effectiveness, and short board is put forward, in order to promote the reading promotion service in the new era from extensive to fine.
