As the population gathers in urban areas, the urban landscape environment gradually changes, from the original dense vegetation to a concrete jungle. The colors of nature and the level of life are disappearing silently before our eyes like "solar terms". Fading in memory. Especially people in urban areas rarely have the opportunity to come into contact with natural landscapes and observe changes in crops. Their understanding of the 24 solar terms is relatively vague, and their memories are patchy. As for the crops that should be planted in different solar terms, they should also choose to eat vegetables in season. Lack of experience. This project uses the fruits and vegetables sown in Taiwan's various solar terms as anthropomorphic solar terms elves. It hopes to evoke people's memories of the 24 solar terms through characters suitable for all ages. The approachable vegetable and fruit elves will sow healthy seeds in people's hearts. Seeds remind people to live in accordance with nature and consume seasonal fruits and vegetables, bringing people closer to the 24 solar terms, integrating the 24 solar terms into urban life, planting and eating through solar terms, and re-understanding the impact of ecological seasons on health and ecology. importance, and gradually regain a balanced body and mind. Therefore, the "Solar Elf in Control" application can not only collect various solar term elves through wireless positioning, but also uses role-playing to allow users to select and play the solar terms with virtual characters. In the form of elves, they make various cute movements and expressions, and use the support function to integrate the "Solar Elf Interactive Game" located on the campus of HKUST as an extended XR interaction, thereby allowing students to step out of the classroom, go out of campus, and contact the public. And discover the core values ​​of local characteristics.