1, built and opened at different times: Xiamen Gaoqi International Airport t3 terminal was built in 1996 and opened; t4 was built in 2014 and opened.

2, the scale is different: t3 terminal is one of the main terminals in Xiamen Gaoqi International Airport, the scale is larger; t4 terminal is relatively small.

3, different division of labor: t3 terminal can handle 19 international and inter-regional flights such as Dragonair, Lirong Airlines, ANA and domestic flights of Xiamen Airlines, China Southern Airlines and Hebei Airlines; t4 terminal can handle all other domestic flights except those of Xiamen Airlines, China Southern Airlines and Hebei Airlines.

4, facilities and services are different: t3 terminal has more complete facilities and services, including shopping, dining, etc.; t4 terminal is smaller, with relatively fewer facilities and services.