To provide a lift device capable of increasing the safety thereof in lifting and also derricking a fall prevention guide by a simple structure without requiring power from the outside.

This lift device 10 for the inspection and maintenance of a vehicle having the fall prevention guide 13 disposed vertically relative to both sides of a table 11 having a lifting mechanism. The lift device comprises the guide 13 and a link mechanism 20 linking a first weight 17 installed on the table 11 with a second weight 22 loaded only when a loading stand is located at the uppermost position. The table 11 and the guide 13 form a flat surface when the table 11 is located at the uppermost position and the lowermost position and the guide 13 is projected from the table 11 when the table 11 is located at the middle position between the uppermost position and the lowermost position.