论述了寿命周期成本分析法在道路工程设计中的分析过程 ,提出了一些实际应用中需考虑的主要、次要因素 ,并举例说明费用计算过程。指出寿命周期成本分析法中诸多定性指标 ,需专业人员参与评估 The analysis process of life cycle cost analysis in road engineering design is discussed. Some main and secondary factors to be considered in practical application are put forward, and the cost calculation process is illustrated. Pointed out many qualitative indicators in life cycle cost analysis method, professionals need to participate in the assessment