Abstract: For the special human body study has not been done in the national garment size standard, this paper aims on the samples of the northeast China studying the body classing and grading. 465 young females of 18-25 years old living in northeast China were measured，integrated using non-contact 3D body scanner and manual measurement. 17 feature positions are extracted from the samples data, and 7 measurements are selected as the major parameters in factor analysis which I s the height, chest, waist, hip, cervical point height, difference of chest and waist, difference of chest and hip. The basic body characteristics of northeast young women are described and compared with the adult females of national garment size standard GB/T 1335. Based on the difference of chest and waist, discussed the somatotype of samples, studied the middle body type of Y, A and B type, and analyzed the reasons of differences compared to the national standard. The grading figure of the three major categories is obtained according to linear regression equation.

Key words: young women, noutheast China, body typing, garment size, grading