The research aims to gain a better understanding the connection of perceptual appeal between illustration style and brand visual impression. The investigation mainly focuses on younger generations, 20-29 years old. Semantic differential method was adopted by the survey. The adjectives were presented with a seven point in a bipolar interval of Method of Semantic Differential. Four semantic categories in the questionnaire are situation association, Tasting association, Quality associate and Price association. Results are found that: 1. Illustration with representationalism ahs significant connection with Situation association. 2. Photo image and representationalism have strong Tasting association. 3. Special colored visual presentation has the highest Quality associate. 4. Special colored visual presentation ahs Price association. Data analysis verifies the illustration style of the packaging surface design influences consumer association to the brand visual impression about the products directly. It makes a good reference to the market orientation for packaging surface design.