The objectives of this research were to study the old trademark and packaging and to develop the trademark and packaging of a case study of wheatgrass juice, Pathum Thani province. The research tools included the interview form with the entrepreneurs, the evaluation form for the opinion of the design expert on brand design, and the evaluation form for the opinion of the design expert on packaging design. 

             The research results showed that the researcher created the 3 new trademark designs and the second design had the highest score with the high level of appropriateness (x̅=3.93, S.D.=0.74). Further, the packaging was designed and gave to 3 design experts to evaluate. The result indicated that the score was at the high level of appropriateness (x̅=3.86, S.D.=0.54).