Can I use my hometown medical insurance card in other places?

Can be used, because the establishment of a unified national social security network, the implementation of the joint insurance system, breaking the geographical restrictions of social security cards, and realizing the multi-function of social security cards.

Articles 14 and 45 of the Constitution stipulate that citizens have the right to receive material assistance from the state and society in case of old age, illness or incapacity to work. The state establishes and improves a social security system that is commensurate with the level of economic development. The social security system includes social insurance, social welfare, social relief, social preferential treatment and social assistance. Social insurance is an important part of the social security system and occupies a core position in the whole social security system. This law has played an important role in regulating social insurance relations, promoting the development of social insurance, ensuring citizens to enjoy the fruits of development and maintaining social harmony and stability.

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The above answer is only for the current information combined with my understanding of the law, please refer carefully!

If you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.