The invention relates to the construction of residential and industrial buildings and can be used to connect the floors of said buildings. The offered construction of stairs comprises banisters that are made as bent and the useful load bearing structures. There are steps suspended at said banisters. Each suspension passes through the front and backside part of the adjacent steps that are separated from each other with vertical spacers. Banisters can be made in the shape of a sloping girder, a truss or a frame.