The sprayer according to the embodiment of the present invention is constituted by a pair of housings which are separated from each other in the left and right direction, and a chemical solution container assembly, a blowing module assembly, a pump assembly and a spraying nozzle assembly are formed in the internal space, A suction port is formed at the rear of the fan assembly, and a front portion of the blow module assembly is formed with a neck portion having a shape in which the inner cross section is gradually narrowed toward the front； A chemical solution inlet formed at an upper portion of the body to be exposed to the outside of the body, an air hole for air flow to the outside formed in the chemical solution inlet, a check valve provided inside the chemical solution bottle, and a chemical solution bottle lid opened and closed by the chemical solution inlet, A chemical solution container assembled to the chemical solution container assembly of the main body； An air blowing module installed in the air blowing module assembling portion of the main body to allow outside air to be sucked into the main body and to be discharged to the outside through the neck portion； A pump installed in the pump assembly section of the main body and connected to the chemical solution outlet of the chemical solution bottle through a connection pipe； A spray nozzle assembly installed in the spray nozzle assembly of the main body and connected to the pump and the connection pipe； And a tubular fixed cap which is detachably coupled to an end of the neck portion of the main body and is opened front and rear.본 발명의 실시 예에 따른 분무기는 좌우로 분리결합되는 한 쌍의 하우징으로 구성되고, 내부공간에 약액통 조립부, 송풍모듈 조립부, 펌프 조립부, 분사노즐 조립부가 각각 형성되며, 송풍모듈 조립부의 후방에는 흡입구가 형성되며, 송풍모듈 조립부의 전방부에는 전방으로 갈수록 내부 단면적이 점차 좁아지는 형태의 넥부가 형성된 본체； 본체의 외부로 노출되게 상부에 설치된 약액 주입구, 약액 주입구에 외부와의 공기 흐름을 위한 에어 홀이 형성되고 내부에 체크밸브가 설치되어 약액 주입구에 개폐되는 약액통 뚜껑 및 하부에 형성된 약액 배출구를 구비하여, 본체의 약액통 조립부에 조립되는 약액통； 본체의 송풍모듈 조립부에 설치되어 본체 내로 외부공기가 흡입되어 넥부를 통해 외부로 토출되도록 하는
