The invention provides an operation vehicle. When a rotary arm is stored, the side of the operation vehicle will not be collided by pipes. The operation vehicle is characterized by comprising a driving vehicle body (2)； a pair of rotary arms (410), which can rotate toward the left side and right side of the driving vehicle body (2) by utilizing the rotation parts (300 L, 300 R) on the left side and right side of the driving vehicle body (2)； a spraying agent box (9), which is arranged on the driving vehicle body (2) and is used to store a spraying agent； and a pipe, which is arranged along therotary arms (410) and is provided with a spraying nozzle for spraying the spraying agent supplied by the spraying agent box (9). The pipe is installed in such a way that when the rotary arms (410) are stored along the left side and right side of the driving vehicle body (2), the pipe is arranged on the external side of the rotary arms (410).
