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. <EOS>