You need to submit an application for internship at the First People's Hospital of Jiulongpo District.

This is very simple, not that complicated.

First, look for the leaders of the hospital, usually the academic department, and of course others can do it, as long as they are leaders. Then ask them to write you a certificate saying that they are willing to accept your internship and take it back to the school to give it to the teacher who arranged the internship until the school agrees.