This study purposed to analyze the preference suit design of spring and summer for elderly women who become weak in physical, physiological and psychological aspects. Accordingly, a questionnaire survey was conducted to analyze clothes elderly women prefer and present design. As a result, the following conclusions were obtained : First, The style of outfit that elderly women preferred when they went out was a tailored collar jacket and a straight slacks suit. On the assumption that they buy a jacket, however, they preferred a peter pan collar jacket, while they did not like a tailored collar jacket. Second, They liked light and bright pink and yellow colors as color of clothes for spring season, but they preferred grey color most in buying suit actually. For autumn season, they preferred beige, brown or grey colors most. With regard to materials for suit, they liked wool solid fabrics with stretch. As for a blouse, they preferred a single color most. There were significant difference between preference suit design and Assumption of buying suit design.