Abstract:Guardrail hanging flower decoration of road improves the visual effect of rigid guardrail, adds to urban greening and beauty, and has been widely used. Taking the application of guardrail hanging flowers decoration of road in Guangzhou as an example, this paper introduces the main functions, characteristics and application status of guardrail hanging flowers decoration, and discusses its construction technology from the aspects of container selection, planting material selection, planting matrix selection,planting installation and maintenance management. Finally,some suggestions are put forward on the existing problems of maintenance, safety and plant configuration.