According to the query of college students' essential network, if you want to look back at the registration information, you can do it through the following steps:

1. Log on to the unified enrollment platform of secondary vocational education in Henan Province and enter the login page.

2. On the login page, find the option of "Registration Record" or "Registration Information".

3. After entering the "Registration Record" or "Registration Information" page, you can view the specific information of the registered school, such as school name, professional name, registration serial number, etc.

National unified platform for enrollment consultation (hereinafter referred to as "unified platform"). The national continuing education consulting service platform aims to establish a continuing education consulting service system to provide services for candidates' continuing education and college enrollment. The action of caring for college entrance examination students initiated by the platform has been responded and jointly organized by many high schools, universities and some provincial education departments.