1. Sign an employment contract: Postdoctoral researchers need to sign an employment contract with the University of Hong Kong.

2. Apply for a work visa: Applicants who are not permanent residents of Hong Kong and hold a student visa need to apply for a work visa from the Government of the Hong Kong Special Administrative Region before entering the job.

3. Bank account opening: Postdoctoral researchers need to open an account in a local bank in Hong Kong, so that the financial department can credit the salary into the account.

4. Social security and tax registration: The University of Hong Kong will help postdoctoral researchers to apply for social security, and at the same time, they need to apply for a tax number and pay personal income tax according to regulations.