A refrigerator, comprising: a refrigerator body, comprising a storage liner at a bottommost position; a top cover, arranged to divide the storage liner into a storage space at the upper part and a cooling space at the lower part; and an evaporator, arranged in the cooling space and configured to cool an airflow entering the cooling space to form a cooling airflow; wherein the evaporator is placed on a bottom wall of the storage liner, and the bottom wall is provided with a limit structure at the front part and rear part of the evaporator respectively, to realize front and rear limits of the evaporator, wherein the limit structures are ribs integrally formed with the storage liner, characterized in that the limit structure at the front part of the evaporator comprises: at least one first rib extending in a left-right direction; and the limit structure at the rear part of the evaporator comprises: at least two second ribs in spaced arrangement and extending in a front-rear direction, wherein the evaporator comprises: a main body part, used to cool the airflow entering the cooling space; and a lower cover plate, arranged below the main body part and comprising a cover body, a first extension portion and a second extension portion, wherein the cover body is attached to the main body part, and the first extension portion and the second extension portion are formed by extending upward or downward from the front and rear sides of the cover body respectively; wherein the first extension portion and the second extension portion cooperate with the limit structures respectively to realize the front and rear limits. a refrigerator body, comprising a storage liner at a bottommost position; a top cover, arranged to divide the storage liner into a storage space at the upper part and a cooling space at the lower part; and an evaporator, arranged in the cooling space and configured to cool an airflow entering the cooling space to form a cooling airflow; wherein the evaporator is placed on a bottom wall of the storage liner, and the bottom wall is provided with a limit structure at the front part and rear part of the evaporator respectively, to realize front and rear limits of the evaporator, wherein the limit structures are ribs integrally formed with the storage liner, characterized in that the limit structure at the front part of the evaporator comprises: at least one first rib extending in a left-right direction; and the limit structure at the rear part of the evaporator comprises: at least two second ribs in spaced arrangement and extending in a front-rear direction, wherein the evaporator comprises: a main body part, used to cool the airflow entering the cooling space; and a lower cover plate, arranged below the main body part and comprising a cover body, a first extension portion and a second extension portion, wherein the cover body is attached to the main body part, and the first extension portion and the second extension portion are formed by extending upward or downward from the front and rear sides of the cover body respectively; wherein the first extension portion and the second extension portion cooperate with the limit structures respectively to realize the front and rear limits. a main body part, used to cool the airflow entering the cooling space; and a lower cover plate, arranged below the main body part and comprising a cover body, a first extension portion and a second extension portion, wherein the cover body is attached to the main body part, and the first extension portion and the second extension portion are formed by extending upward or downward from the front and rear sides of the cover body respectively; wherein the first extension portion and the second extension portion cooperate with the limit structures respectively to realize the front and rear limits.