The account number is the student number and the initial password is the last six digits of the ID card.

The specific steps for Henan University to log on to the online service hall are: 1. Enter official website of Henan University and click on the online service hall. 2. Jump to the page and click the Login button. 3. Enter the unified authentication account and password, and then click Login. The account number is the student number and the initial password is the last six digits of the ID card.