Sound insulation assembly for air conditioner and air conditioner

The utility model discloses a sound insulation assembly for an air conditioner and the air conditioner, the sound insulation assembly comprises a first connecting layer, a second connecting layer and a third connecting layer, the first connecting layer is provided with a first sound insulation layer on at least one side in the thickness direction; the end of the second connecting layer is connected with the first connecting layer, and at least one side, in the thickness direction, of the second connecting layer is provided with a branch sound insulation layer; the second sound insulation layer is connected with the first sound insulation layer, and a branch connecting layer is formed on one side of the second sound insulation layer in the thickness direction. According to the sound insulation assembly, the multiple branches are formed to wrap the multiple assemblies in the air conditioner, the number of sound insulation cotton is reduced, and the sound insulation effect is guaranteed.