Abstract: Cucumber(Cucumis sativus L.) allelopathy plays an important role in the vegetable production. In this paper, the recent resea rches on cucumber allelopathy, allelopathic mode of action and the mechanism of allelochemicals inhibiting the continuous cropping cucumber growth, as well as the action between the allelopathy and the ecology system of horticulture establi shments are reported. The prospects of cucumber allelopathy utilization in the cucumber plant under the horticulture establishments are discussed.