Floor structure with public space

The utility model discloses a floor structure with a public space. The floor structure comprises a plurality of living units, a public passage, a stair room and an elevator room. The stair room and the elevator room are arranged on the public passage, and the public space used for allowing chatting and communicating among neighbors is arranged on the public passage. Particularly, the public space can be a closed balcony arranged on an end head of the public passage, a partitioning plate is arranged between the closed balcony and the public passage, and a sliding door is arranged on the partitioning plate. A public space allowing long-time chatting and communicating is provided for all residents of the floor, privacy of each resident is protected while distance among the neighbors gets closer, the residents arriving the floor simultaneously can communicate and exchange with each other in the public space to avoid becoming estranged with each other, and if relatives and friends come to visit, when the residents