The purpose of this study is to find ways to improve the legal system for supporting libraries for the disabled. For the stdy, related precedent studies were historically analyzed, and the legal definition of libraries for the disabled and related laws were discussed. Through this, it was confirmed that the current 「Library Act」 does not have sub-regulations of the Enforcement Decree and Enforcement Rules supporting the regulations related to library support for the disabled, and the 「Welfare of Persons with Disabilities Act」 replaces them. In addition, through research on the current status of libraries for the disabled and interviews with field workers in libraries for the disabled, the need for improvement of the legal system related to libraries for the disabled was confirmed. In conclusion, three improvement plans for supporting libraries for the disabled were proposed as follows: First, the definition and duties of libraries for the disabled through the 「Library Act」; second, preparation of regulations on support for library services for the disabled and fulfillment of duties through the 「Enforcement Decree of the Library Act」; third, through the 「Library Act」 and 「Enforcement Decree of the Library Act」, standards for facilities, collections and manpower of libraries for the disabled are presented.