Beijing Capital International Airport is the most important, largest, well-equipped, and busiest large-scale international airport in China's geographical location. Beijing Capital International Airport is not only the air gateway and window for foreign exchanges in the capital city of China, but also the radiation center of China's civil aviation network. The airport has two towers and three terminals, T1, T2, and T3. It is an international airport with three runways. The airport originally had two 4E level two-way runways, west and east, and was equipped with a Class II instrument landing system.

In 2019, the passenger throughput of Beijing Capital International Airport reached 101 million, ranking first in the country; The cargo and mail throughput reached 19.5529 million tons, ranking second in the country.