本文利用了针对大规模曲线的聚类分析方法,对中国各个贸易大类商品中加工贸易的构成曲线进行分析和归纳,得到中国加工贸易近十年的发展主要可划分为两个阶段,并分析了各个阶段商品类别的特点,同时也分析得到中国加工贸易的主体商品结构的演变过程。文中通过分析发现,近几年来,中国加工贸易主体商品结构改变呈现出一个新的特征,就是船舶类商品加工贸易增长十分迅猛。 In this paper, we use the method of cluster analysis based on large-scale curve to analyze and summarize the composition curve of processing trade among the various trade categories in China. We can find that the development of China’s processing trade in recent ten years can be divided into two stages and analyzed The characteristics of the product categories in all stages, and also the evolution of the main commodity structure of China’s processing trade. Through the analysis, we find that in recent years, the change of the main commodity structure of China’s processing trade has shown a new feature, that is, the processing trade of marine products has been growing rapidly.