Analysis of current situation and existing problems in greenhouse environment control

This paper is based on the study of international status quo of facility agriculture. Through comparison, main problems existing in greenhouse environment control in China are concluded. Digital and intelligent control of greenhouse environment is the main developing direction currently. Researches on plant factory construction, greenhouse energy saving and new energy development have received universal attention. And soil-free technology has been widely used. Finally, according to the characteristics of research in greenhouse environment control, the hot and difficult issues and the research direction are given.