Compression garbage can

The invention discloses a compression garbage can, and belongs to the field of environmental protection. The compression garbage can comprises a can body used for storing garbage and further comprisesa metal recycling mechanism arranged on one side of the can body and used for recycling metal in the garbage and an air purifying mechanism used for drying air in the garbage can, wherein the metal recycling mechanism and the air purifying mechanism are arranged on one side of the can body, the can body is further provided with a smashing mechanism used for smashing garbage, an inner cavity of the can body is provided with a garbage quantitative packaging mechanism used for quantitatively packaging the garbage, and the garbage quantitative packaging mechanism is located below the smashing mechanism. According to the garbage can, garbage can be crushed when entering the garbage can, the occupied space of the garbage is reduced, more garbage can be stored in a garbage bag, metal objects canbe screened out, the crus