Art is the spirit of life; looks like young people rapidly changing lives ,dynamic , full of hope and optimism; despite its changes and their continuous search for unusual and new ideas. Changing, being up to date with new ideas and to be unfamiliar are characteristics of YOUTH, ART and DESIGN. Bacteria is playing an important role in continuous changes of earth' elements; which opened up new horizons to enrich designer's thoughts by creating innovative solutions in decorative design's field. Designer is not dealing with the visual images of nature's elements as it is ; but by searching through aesthetic and formative structure ;as he always see what others see , on contrary , people can't see what he sees. This research is examined some models of harmful and beneficial bacterial cells; which surrounding us in nature ; by trying to spot light on how we can merge these cells into art and design. Empirical research is trying to present innovative designs by using PC by using these cells as decorative items to be used in YOUTH APPAREL DESIGNS ; that meets youth needs and expectations through a proposed design plan