How to cancel the green meal of China Southern Airlines?

Cancel the green meal of China Southern Airlines, you can reply whether to have a meal directly by SMS, or you can order food through China Southern Airlines APP, WeChat, customer service hotline and other channels to choose the green flight service. Check my order on China Southern Airlines app. There is a green flight selection box at the check-in. Just cancel the selection. China Southern Airlines Green Flight is a "green flight" reward program launched by China Southern Airlines. It is an environmentally friendly taste bud, which encourages passengers to eat on demand and reduces waste.