Hong Kong residents are hospitalized in the Mainland without ID cards and social security.

What you want to ask is whether the mainland and Hong Kong identity cards can be reimbursed for working in the mainland and buying social security hospitalization. Of course. According to the Interim Measures for Hong Kong, Macao and Taiwan Residents to Participate in Social Insurance in the Mainland, Hong Kong, Macao and Taiwan residents who work, live and study in the Mainland will have social security cards and enjoy the legitimate rights and interests of social insurance and social insurance benefits in accordance with the law, just like mainland residents.