The present invention relates to an eavestrough for plastic greenhouses which is installed between two closely arranged plastic greenhouses and receives rainwater flowing down along roofs of the plastic greenhouses to guide the received rainwater to the outside； and to a method for manufacturing the eavestrough for the plastic greenhouses. The purpose of the present invention is to provide an eavestrough for plastic greenhouses which is free of concerns over corrosion, and minimizes thermal deformation such that there is no problem with using the eavestrough for the plastic greenhouse； and to provide a method for manufacturing the eavestrough for the plastic greenhouses. An eavestrough for plastic greenhouses according to the present invention comprises: a middle sheet which is formed of metal； a top sheet which is fixed and installed on the entire top surface of the middle sheet, and is formed of a synthetic resin material； and a bottom sheet which is fixed and installed on the entire bottom surface of the middle sheet, and is formed of a synthetic resin material.본 발명은 서로 인접해있는 2동의 비닐하우스 사이에 설치되어 비닐하우스 지붕을 타고 흘러내리는 빗물을 받아 외측으로 유도하기 위한 비닐하우스용 물받이 및 그의 제조방법에 관한 것이다. 그의 구성은； 금속으로 된 중간시트； 상기 중간시트의 상면 전체에 고정 설치되는 합성수지 소재의 하부시트； 상기 중간시트의 하면 전체에 고정 설치되는 합성수지 소재의 상부시트；를 포함하는 것을 특징으로 한다.
