Background: "Nuwa Mending Sky (女娲补天）" is a ancient classic myth widely spreaded in China, which is also well-known to students as a primary school text and then to their lifetime memory. The research of Sanxingdui led shows that "Nuwa mending sky" was a real historic event. It was a sacrifice ceremony for "Five Star Gathering", originating from the“Big Dipper Crape Myrtle Huan”area pointed by "River diagram with image of Big Dipper"（北斗河图）. Its landmark is Mengdingshan (蒙顶)Mountain with 5 peaks in circle. Chengtoushan（城头山）is the only visible site discovered so far, with five sacrificial pits converging and five oval shaped stones placed inside. Form: "Poster Design" is a pre warm-up project specially set up for the "Aragonite Road - New Nuwa Mending Sky Action", the special research and learning project under the theme of "Youth Cultural Heritage Search". It mainly collects students' drawings and word descriptions after their story text, photography and drawings and word ideas during their study tourism, etc., through online activities, and then to creates online publications and teaching forums, to guide poster creation, to recommend student works, and to accumulate intellectual property rights. Practical effects and significance: Taking Indigenous Chi Xinyan and Cai Zixi as typical successful cases, the expected effects are to promote school education and social interaction, stimulate children's exploration interest, to cultivate creative thinking, aesthetic ability and artistic cultivation, to establish cultural confidence and national pride, to enhance, promote and inherit national cultural strength, to enhance national cohesion, and to promote social and economic development and international cultural exchange. Requirements: Government support for project implementation, Coordination and integration of various resources，and to conduct national-scale activities.