The invention belongs to the field of power transmission and transformation construction equipment of electric power industry, and especially relates to an elevator rack platform-type hot-line work vehicle. According to the elevator rack platform-type hot-line work vehicle, two vertical supports 1 (21) and two vertical supports 2 (24) are fixedly arranged on the left side and the right side of a vehicle pedestal (14) in parallel; the top of the vertical support 2 (24) is provided with a shaft sleeve seat (25); a shaft sleeve (27) is fixedly arranged on the shaft sleeve seat (25); the shaft sleeve (27) is connected with the middle parts of ladder main racks (2) on the two sides via hinged shafts (26); nuts (7) are fixedly arranged on the external sides of the lower ends of the two ladder main racks (2); the lower end of a screw rod (6) is connected with the output shaft of a slowdown motor 1 (9) via a coupler (8); a rope (28) is fixedly arranged on the middle stairs of the ladder main bodies (2) after passing through a fixed pulley 2 (13), and a fixed pulley 1 (4), and bypassing a fixed pulley 3 (29); a tool cabinet (30) is fixedly arranged a tool cabinet support (31). The elevator rack platform-type hot-line work vehicle is suitable for maintenance operation of power equipment in a plurality of occasions, is convenient and flexible to use, and is high in working efficiency.