PROBLEM TO BE SOLVED: To provide a chemical liquid spray vehicle enabling an operator to easily get on/off.SOLUTION: In a chemical liquid spray vehicle provided with a chemical liquid tank (8) for storing a chemical liquid and booms (15a and 15b) for spraying the chemical liquid in a traveling vehicle, the booms are configured to change between a spraying posture extending in a lateral direction of the traveling vehicle, and a storing posture for extending in a fore-and-aft direction on right and left both sides of the traveling vehicle to be received by the boom receivers (25a, 25b, 26a, and 26b). The boom receivers (25a, 25b, 26a, and 26b) are provided so as to protrude to the right and left outside of the traveling vehicle. The front side boom receives (25a and 25b) provided on a front side, and the rear side boom receives (26a and 26b) provided on a rear side are provided. The rear side boom receivers (26a and 26b) are disposed at higher positions than the front side boom receives (25a and 25b), and the r
