A vehicle lift device comprising: a pair of right and left lifting frames installed on right and left sides of a maintenance work area of a vehicle to be serviced; and a pair of front and rear swing arms (20, 50) supported at two respective front and rear positions of a lifting platform included in each of the lifting frames, and allowed to be lifted and lowered along with the lifting platform, wherein each of the swing arms (20, 50) includes a link coupling body (20A, 50A) obtained by connecting a plurality of links, a base link (21, 51) included in the link coupling body (20A, 50A) is fixed to the lifting platform of the lifting frame, and a distal link (22, 52) included in the link coupling body (20A, 50A) includes a vehicle holding tool (30, 60), characterized in that the link coupling body (20A, 50A) includes seven links corresponding to a base link (21, 51), a distal link (22, 52), an intermediate link (23, 53), a first link (24, 54), a second link (25, 55), a first sub-link (24S, 54S), and a second sub-link (25S, 55S), lengths of respective links corresponding to the base link (21, 51), the distal link (22, 52), and the intermediate link (23, 53) are identical to one another, lengths of respective links corresponding to the first link (24, 54) and the first sub-link (24S, 54S) are identical to each other, and lengths of respective links corresponding to the second link (25, 55) and the second sub-link (25S, 55S) are identical to each other, and the base link (21, 51), the first link (24, 54), the intermediate link (23, 53), and the first sub-link (24S, 54S) are connected to form a first parallelogram link mechanism, and the intermediate link (23, 53), the second link (25, 55), the distal link (21, 51), and the second sub-link (25S, 55S) are connected to form a second parallelogram link mechanism. a pair of right and left lifting frames installed on right and left sides of a maintenance work area of a vehicle to be serviced; and a pair of front and rear swing arms (20, 50) supported at two respective front and rear positions of a lifting platform included in each of the lifting frames, and allowed to be lifted and lowered along with the lifting platform, wherein each of the swing arms (20, 50) includes a link coupling body (20A, 50A) obtained by connecting a plurality of links, a base link (21, 51) included in the link coupling body (20A, 50A) is fixed to the lifting platform of the lifting frame, and a distal link (22, 52) included in the link coupling body (20A, 50A) includes a vehicle holding tool (30, 60), characterized in that the link coupling body (20A, 50A) includes seven links corresponding to a base link (21, 51), a distal link (22, 52), an intermediate link (23, 53), a first link (24, 54), a second link (25, 55), a first sub-link (24S, 54S), and a second sub-link (25S, 55S), lengths of respective links corresponding to the base link (21, 51), the distal link (22, 52), and the intermediate link (23, 53) are identical to one another, lengths of respective links corresponding to the first link (24, 54) and the first sub-link (24S, 54S) are identical to each other, and lengths of respective links corresponding to the second link (25, 55) and the second sub-link (25S, 55S) are identical to each other, and the base link (21, 51), the first link (24, 54), the intermediate link (23, 53), and the first sub-link (24S, 54S) are connected to form a first parallelogram link mechanism, and the intermediate link (23, 53), the second link (25, 55), the distal link (21, 51), and the second sub-link (25S, 55S) are connected to form a second parallelogram link mechanism.