This airport offers the best deals on food and cosmetics.

1. Food: The prices at KFC and McDonald's in Shenzhen Airport are relatively low, about 20 yuan for a hamburger and a glass of soda.

In addition, the per capita consumption of Noodle King and Ajisen Ramen in the airport is around 35-40 yuan, which is also cost-effective.

2. Cosmetics: Duty-free shops in Shenzhen Airport usually provide cheaper cosmetics than shopping malls.

The price is usually between twenty and thirty yuan.