从长远角度看 ,延边经济发展的关键是工业化。但延边第二产业结构目前存在的企业规模小型化、经济效率低等问题 ,直接制约了延边经济的发展。以变化一分担分析法测量 ,可知延边第二产业的竞争力日益脆弱 ,日益衰退。因此 ,延边应重点调整第二产业的结构 ,发展主导产业 ,以加强其竞争力 In the long run, the key to economic development in Yanbian is industrialization. However, the current situation of the second industrial structure in Yanbian, such as the miniaturization of the scale of enterprises and the low economic efficiency, has directly restricted the economic development in Yanbian. Taking a change-sharing analysis method, we can see that the competitiveness of the secondary industry in Yanbian is increasingly fragile and declining. Therefore, Yanbian should focus on adjusting the structure of the secondary industry, the development of leading industries to enhance their competitiveness