Aircraft grille assembly and aircraft

The utility model belongs to the technical field of airplane water retaining, and discloses an airplane grille assembly and an airplane. The aircraft grille assembly comprises a base plate and a grille piece, a boss is arranged on the base plate in a protruding mode, heat dissipation holes are formed in the boss, and the heat dissipation holes penetrate through the base plate; the grating piece comprises a plurality of grating pieces which are arranged side by side at intervals, the grating pieces are arranged on the boss, a heat dissipation channel is formed between every two adjacent grating pieces, and the heat dissipation channels are directly communicated with the heat dissipation holes. According to the airplane grille assembly, the boss is arranged on the base plate, the boss protrudes towards the outer side of the base plate, the grille pieces are arranged on the boss, the boss can block rainwater, the rainwater is prevented from entering an airplane body from the direction of the grille pieces, and t