In 2022, the alternate international flights of Beijing Airport 12 cities are Tianjin, Shijiazhuang (Hebei), Taiyuan (Shanxi), Hohhot (Inner Mongolia), Shanghai Pudong, Jinan (Shandong), Qingdao (Shandong), Nanjing (Jiangsu), Shenyang (Liaoning), Dalian (Liaoning) and Zhengzhou (Henan). Passengers are isolated at the landing site and go through the entry formalities and baggage clearance. Passengers who meet the boarding requirements after quarantine can take the original flight to Beijing.