This application is a step forward to improve the speed and convenience of the Electronic Contact Book service.

* Helps schools share information about students' learning situation fully and quickly to parents.

* Helps parents regularly coordinate with the school to urge their children's learning.

* The information that needs to be exchanged is divided into each category, each small form in a scientific, easy-to-see way for easy monitoring.

* The application's ability to store a large amount of information helps parents easily evaluate students' learning process comprehensively and systematically.