The present invention relates to a spraying apparatus for spraying an agricultural chemical, and more particularly, to a spraying apparatus for spraying an agricultural chemical, more specifically, a pesticide moved by a high pressure is moved in a spiral direction along a spiral groove provided in a spraying unit, To a spraying apparatus for spraying an agricultural chemical.The spray device for spraying pesticide according to the present invention is formed in an "L" shape so that its top is inclined at a certain angle, and has a connection port (100) to be fastened to the end of a pipe (10) A distributor 200 connected to the lower end of the connector 100 and formed in a T shape to distribute the pesticide to the left and right through the pipeline 10 An extension part 300 formed in a pipe shape fixed to the left and right sides of the distributor 200 and having a predetermined length, for passing the pesticide moved through the distributor 200 A rotation adjusting part 400 fixed between the distributor 200 and the extension part 300 and adjusting the length and rotation direction of the extension part 300 And an injection part 500 fastened to the lower part of the extension part 300 and injecting the pesticide moved through the extension part 300 to the outside, A nozzle cap 510 screwed to a fixing table 310 formed at the lower outer side of the unit 300 A plate 520 inserted and fixed in the nozzle cap 510 and having a spray hole 521 formed at the center thereof And a first spiral nozzle (530) inserted into the nozzle cap (510) and spraying the pesticide moved through the extension part (300) into the spray hole (521), the first spiral nozzle The nozzle 530 includes a first body 531 formed in a disk shape having a predetermined thickness and closely fixed to the plate 520 A through hole 532 formed in the rim of the first body 531 A first spiral groove 533 formed in the bottom surface of the first body 531 so as to be connected to the through hole 532 and rotatin
