Can Dongtai Social Security Card be reimbursed for hospitalization in Shanghai? If so, what is the ratio?

You can report part of it. You can't directly swipe Dongtai social security card in Shanghai. You should go to Dongtai Medical Insurance Office for consultation and inform you of your illness. In which hospital in Shanghai, according to your condition and medication, the proportion of reporting is different. Then go to Shanghai and go through all the formalities (including paying invoices, taking photos, diagnosing, etc.). , the more complete the better) and report back.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.