This paper introduced the traditional railway aerial annotation ways,analyzed the advantages of digital annotation decoration,discussed the method to improve the decoration efficiency of aerial digital annotation decoration,and discussed the application condition and its efficiency of aerial field digital annotation system,summarized the matters needing attention in this system use,so as to improve the working efficiency of the map.%介绍了传统的铁路航测调绘方式，分析了数字化调绘装饰具有的优点，探讨了提高航测数字化调绘装饰效率的方法，并对航测外业数字调绘系统的应用条件及其效率进行了论述，总结了该系统在使用中的注意事项，从而提高成图的作业效率。
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