Abstract: On account of the disadvantage that the existing garment size criterion is unfit to the undergraduate，this research took 170 college students as objects and measured body form，using soft system SPSS to perform data analysis. Comparing results to GB/T1335.1-2008《Standard sizing systems for garments－Men》and GB/T1335.2-2008《Standard sizing systems for garments－Women》，according to difference between chest girth and waist girth，hip girth and waist girth the body shapes of college students can be classified into YY，Y，A，B，C and YY’，Y’，A’，B’，C’ anew. It can cover the shortage of garment size criterion.

Key words: undergraduate, body form measuring, garment size criterion, Hunan region