Abstract: Diseases occurred in cucumber plants which cultivated in greenhouses in Shanbian Village, Shancheng Town, Nanjing of Zhangzhou City were investigated and identified during 2009-2013. The results showed that the main diseases of greenhouse cultivated cucumber included target leaf spot, downy mildew, blight, angular leaf spot, Botrytis cinerea, sclerotinia rot, anthracnose, virus disease and scab, among which, the target leaf spot was recorded for the first time in Fujian Province. In addition, the damping-off, fusarium wilt, powdery mildew, root knot nematode and southern blight also occurred at various degrees.