To permanently obtain a space, in which a commodity can be introduced, at a place easy to be conspicuous from a street or the like and opened to the outside while forming the space in an indoor section in which a attendant can be made to calm down psychologically and to rapidly obtain more information and feelings, demands or the like to the commodity by collecting more attendants.

An advertisement display section is installed at an entrance section 2 for the building, a habitable room space 6 in the building is partitioned into an attendant space 7 and service spaces 8 by information introducers by a service table 9 having a display means displaying the information of a commodity displayed by the advertisement display section, the attendant space 7 is connected to the entrance section, and a part of the service spaces 8 in the habitable room space 6 is communicated with an external space through an opening section 4 being formed by opening a building exterior wall section and having an outdoor counter having the display means displaying the information of the commodity indicated by the advertisement display section.