We analyzed Erimtan staircase which has the connection between the entrance of Erimtan and the cafe. When we analyzed staircase, we measured all things and all details of stairs. The wall side of the staircase and all stairs have a slope and this slope directly oriented people to Erimtan garden and Muze cafe. Also, staircase including large surfaces like a balcony, these surfaces helps to people see view and garden. A Little part of stairs (bulge) is oriented to people balconies. The same thing is in also last stairs, these stairs of bulge providing the cafe spaces using more efficiently. If there was not here, this area and tables loss their functions. Therefore, these surfaces and stairs have the contribution of human experiences, for this reason, we showed these surfaced with a different color of materials in the model.