I was hospitalized in a different place in Shanghai Huashan Hospital, and it was said that I was reimbursed by emergency medical records when I went back. In addition, those who return to Huashan Hospital with the transfer certificate of local hospital can also be reimbursed, while those who return to Shanghai Huashan Hospital cannot be reimbursed.

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