The Purpose of this research was to study the size ratio and structural shape of plus size women determind the standard of dress form and made dress form for plus size women. The representative samples were women’s wears pattern makers students in textiles and clothing field and another related fields which amount 50 persons. The tools of research composed of the questionnaire that evaluated the satisfaction in dress form for plus size women. The statistical analysis were average percentage and standard deviation. The results show that since 1981-2008 the size ratio and structural shape of plus size women in straight shape apple shape pear shape and Hourglass shape had more size ratio in every year. The medium size of plus size women is the beginning shape that is 38. The weight of the woven fabric was 201.90g/sqm; the thickness 0.61mm; the warp size 20.97tex; the weft size 18.44tex; the warp number 44/inch; and the weft number 33/inch. The weight of the knitted fabric was 186.60/sqm; the thickness 0.79mm; the thread size 8.57; the number of vertical loops 35 loops/inch; the number of horizontal loops 30 loops/inch; and the busting strength 179.53lb/inch. It was also found that the satisfaction on dress form for plus size women from woven and knitted fabrics was at the good level with the averages of 4.31 and 4.28.