To easily and securely perform loading work of mixed loaded cargoes without requiring skill and reduce transportation costs of small-lot cargo per one cargo further.

This aviation mixed loaded cargo management system is provided with a consignor A side terminal unit 10 having a function for transmitting cargo data related to a plurality of small-lot cargoes, a consignor B side terminal unit 20 and a consignor C side terminal unit 30, a server 40 on an aviation cargo handling company side connected with these terminal units through a network and having a function for extracting a small-lot cargo matching with loading specified amount of a pallet 70 based on respective cargo data, and a data base 46 storing basic data including kind of pallet 70 and loading weight, loading specified amount specifying outer dimension, and unit charge depending on airline.