First, find the bathroom of the plane, usually at the back of the plane.

Second, you can enter the bathroom when you see the green on the door, and you can enter the bathroom when you open the door.

Third, then close the door and lock the bathroom door, and the light will come on immediately.

Fourth, next, open the toilet and rinse it with water after going to the toilet.

Fifth, wash your hands after going to the toilet.

Sixth, after washing your hands, you need to drain the water from the washbasin.

Seventh, if you wash your hands, wipe them with paper towels and throw them into the trash can below.

Eighth, finally open the door and walk out of the bathroom.