A foldable cabinet framework, comprising two side frames (10A, 10B), two first beam bodies (11a, 11b), and two second beam bodies (12a, 12b), wherein two opposite ends of the first beam bodies (11a, 11b) are respectively connected to the two side frames (10A, 10B), and two opposite ends of the second beam bodies (11a, 11b) are respectively connected to the two side frames (10A, 10B), the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) each comprise a hinged part, wherein when the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) are in a straight state, the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) are supported between the two side frames (10A, 10B), so that the two side frames (10A, 10B) are spaced apart and symmetrically disposed, and the first beam bodies (11a, 11b), the second beam bodies (12a, 12b), and the two side frames (10A, 10B) enclose a framework of a three-dimensional structure; when the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) are folded by using the hinged part, and after the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) are folded, the two side frames (10A, 10B) are superposed with each other; and wherein each of the side frames (10A, 10B) comprises a side panel and columns disposed on two opposite edges of a surface of the side panel, the three-dimensional framework is a cube, the two first beam bodies (11a, 11b), the two second beam bodies (12a, 12b), and the columns of the side frames (10A, 10B) are connected to form a frame with eight edges of the cube; and characterized in that the cabinet framework further comprises a flexible panel connected between the two side frames (10A, 10B), the flexible panel comprises several elastic seals disposed side by side, and when the two side frames (10A, 10B) are superposed with each other, the elastic seals are freely deformed. when the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) are in a straight state, the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) are supported between the two side frames (10A, 10B), so that the two side frames (10A, 10B) are spaced apart and symmetrically disposed, and the first beam bodies (11a, 11b), the second beam bodies (12a, 12b), and the two side frames (10A, 10B) enclose a framework of a three-dimensional structure; when the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) are folded by using the hinged part, and after the first beam bodies (11a, 11b) and the second beam bodies (12a, 12b) are folded, the two side frames (10A, 10B) are superposed with each other; and wherein each of the side frames (10A, 10B) comprises a side panel and columns disposed on two opposite edges of a surface of the side panel, the three-dimensional framework is a cube, the two first beam bodies (11a, 11b), the two second beam bodies (12a, 12b), and the columns of the side frames (10A, 10B) are connected to form a frame with eight edges of the cube; and characterized in that the cabinet framework further comprises a flexible panel connected between the two side frames (10A, 10B), the flexible panel comprises several elastic seals disposed side by side, and when the two side frames (10A, 10B) are superposed with each other, the elastic seals are freely deformed.