The composition and structure of pupa skin were studied by means of chemical analysis and electron microscopy.The main composition and the content of chitin were determined.

• 本文通过对茧蛹皮的成份，结构进行物理化学及电镜分析，从而确定其含有的主要成份及含甲壳质的数量，进而认定蛹皮的可利用价值。