From the main manufacturer's point of view, this paper gives the selection principle of aviation consumable materials in operation and maintenance. Different classification management strategies of aviation consumable materials are studied, and ABC classification method is given based on different considerations of the influence degree of aircraft configuration, process quality and safety. The main equivalent substitution assessment method referring to ABC classification and typical application and substitution conclusions of aviation consumable materials applied to civil aircraft operation and maintenance is mainly studied. The important role of supplier selection of aviation consumable materials in the future selection is expounded.