The microcirculation channel of the east and west terminal areas in Changsha Huanghua International Airport is studied. Taking the staff, passengers and cargo as the research objects, and analyzing the characteristics of four interfaces of air-air side, land-land side, air-land side and land-air side, and the existing mode of transportation, the diversified transportation modes are adopted. And the suitable transportation modes are arranged according to the different use objects and different usage scenarios so as to make the different interfaces of the east and west terminal areas efficiently and conveniently switched, which provides the reference for the comprehensive transportation planning of domestic airports and has the high practical application value.