PROBLEM TO BE SOLVED: To provide a chemical solution spraying work vehicle capable of sufficiently protecting a worker even when spraying a high-concentration chemical solution.SOLUTION: A chemical solution spraying work vehicle includes a chemical solution tank 13 and a blower 67 on a travel vehicle body 1, and includes spraying booms 15 discharging a chemical solution sent downward to the front part of the vehicle body from the chemical solution tank 13 from a plurality of chemical solution spraying nozzles 15a, an air blowing pipe 68 is connected to the blower 67, and a plurality of air blowoff ports 68a blowing off air 69 in nearly parallel to the ground backward from the front of the travel vehicle body 1 or forward from the rear are provided in the air blowing pipe 68 disposed in front of the travel vehicle body 1, or a mist spouting pipe 93 is connected to a clear water tank 92, and a plurality of mist spray nozzles 94 spouting water in nearly parallel to the ground backward from the front of the travel vehicle body 1 or forward from the rear are provided in the mist spouting pipe 93 disposed in front of the travel vehicle body 1.
