Stage design is a kind of media to express something to audience, and its designer must embody the spirit of the script clearly. Stage design is neither a nude space nor a real site, but a performing space full of symbolical signs. And its designer is the creator of the framework. 《DAYLIGHT》, a musical play in Chinese, was talking about that some graduated students, majored in drama, tried to find out their relationships among their friends of both sexes, and teacher-and-student. Persistence was an important factor in a relationship, but because of it, one fell into an inexplicable plight. This study was tried to transform the spirit of the script into stage design, and to expound its idea and creation process through different stage styles for each era.