（一）Real time passenger flow data for restrooms

ØThe large screen at the entrance of the bathroom displays the flow of passengers entering the restroom (number of people entering, retention) and the distribution of personnel within the squatting area.

（二）Provide guidance information to passengers waiting in the restroom to improve their satisfaction

Set up a display screen at the entrance of the restroom to display the congestion situation in the restroom. If there is congestion in the restroom, the nearest restroom will be displayed on the display screen, reducing the waiting time for passengers to use the restroom.

（三）Comprehensive management and environmental optimization of restrooms

ØBased on the passenger flow data of each restroom, adjust the cleaning level of each restroom (replenish hand sanitizer and tissue, bathroom environment level, etc.);

ØAssess and evaluate the work service level of the cleaning staff in the restroom;

ØFine scheduling of staff work based on passenger flow data to save human resources.

（四）Expanding the use of restroom door display screens

ØAdvertising displays can be set up to increase airport revenue;

Opinion collection can be set up to improve passenger satisfaction.