External facade aluminum plate capable of preventing pollution and discoloration

The utility model discloses an external facade aluminum plate capable of preventing pollution and discoloration, relates to the field of buildings, and solves the problem that the external facade aluminum plate is inconvenient to install. According to the technical scheme, the antifouling, anti-pollution and anti-discoloration exterior facade aluminum plate comprises a plurality of aluminum platesingle bodies, and is characterized in that the surfaces of the aluminum plate single bodies are covered with protective films, inserting plates are arranged on one sides of the aluminum plate singlebodies, and inserting grooves allowing the inserting plates to be inserted therein are formed in the positions, corresponding to the inserting plates, of the other sides of the aluminum plate single bodies; mounting holes penetrating through the aluminum plate single bodies are downwards formed in the top surfaces of the inserting grooves of the aluminum plate single bodies; threaded holes are formed in the positions, corr