Base assembly and air conditioner

The utility model discloses a base assembly and an air conditioner, and the base assembly comprises a base, a base plate and a connecting plate, the base foam is arranged on the base, and the outer contour of the base foam is provided with a plurality of side edge parts which are connected in sequence; the surrounding plate covers the base foam and is fixedly connected with the base, and the surrounding plate comprises a plurality of side plate parts which are connected in sequence; wherein the side edge parts are provided with first abutting surfaces, the side edge parts and the side plate parts are in one-to-one correspondence, the side faces, facing the base foam, of the side plate parts are configured to be second abutting surfaces, and the second abutting surfaces abut against the first abutting surfaces; a first included angle is formed between every two adjacent first abutting faces, and a second included angle is formed between every two second abutting faces corresponding to the two first abutting fa