Polylactic acid packaging base

The utility model discloses a polylactic acid packaging base, and relates to the technical field of packaging design, the polylactic acid packaging base comprises a shell, the shell is of a square concave structure, the right side of the shell is provided with a limiting notch used for fixing a water outlet of an air conditioner outdoor unit, and the shell is internally provided with four bottom foot grooves used for fixing bottom feet of a base of the air conditioner outdoor unit. Wherein two of the limiting notches are located at the two adjacent corners of the front end of the shell, the other two limiting notches are aligned with the limiting notches and located on the two sides of the interior of the shell, a protruding support used for supporting a groove in the bottom of a base of the air conditioner outdoor unit is further arranged in the center of the interior of the shell, and a square groove used for wrapping a heat dissipation pipe on the bottom face of the air conditioner outdoor unit is formed i