Footing, chassis and air conditioner outdoor unit

The utility model relates to the technical field of air conditioners, and particularly discloses a bottom foot, a base plate and an air conditioner outdoor unit. The bottom foot comprises a bottom foot body and a supporting block, and the supporting block is higher than the bottom foot body and used for abutting against the chassis. First mounting holes are formed in the supporting blocks and used for mounting bolts, and the bottom feet are fixedly connected with the base plate through the bolts. The supporting block protrudes out of the footing body, and the upper surface of the footing body is lower than the upper surface of the supporting block. Two first through holes are formed in the bottom foot body, and the two first through holes are formed between every two adjacent supporting blocks correspondingly. Due to the fact that the bottom foot body is arranged to be lower than the supporting block, the distance between the first through hole located in the bottom foot body and the base plate is the height