Objective: The paper conducted research on the long-term care security system in Sweden, to provide some experience for the establishment and development of long-term care security system in China. Methods: Based on the policy documents of the Swedish government and the data of the National Bureau of Statistics, this paper traced the development process of the Swedish long-term care security system, analyzed the financing sources, treatment payments, nursing service contents, and management mechanisms. Results: The long-term care security system in Sweden has not only achieved universal coverage, but also comprehensive service coverage, providing good financial support and policy basis in terms of home environment, nursing auxiliary facilities, community service centers, transportation services, informal family service providers, institutional care, providing a foundation for the stable and sustainable implementation of the system. Conclusion: It is suggested establishing an independent and inclusive long-term care insurance security system, clarifying the responsibility of individuals and families, training and cultivating the long-term care practitioners to increase the supply capacity of long-term care services, strengthening the management of long-term care organizations to improve service quality, and establishing a unified national top-down management mechanism.