The invention relates to the field of building sewage treatment devices, in particular to a building waste-containing building sewage treatment device which comprises a box body, a steering structure, a compression structure, an opening and closing structure, a recycling structure, a mixing structure and a discharging structure, by installing the compression structure at one end of the box body, the functions of garbage classification and environmental protection can be achieved, the sorted garbage can be compressed, so that the space occupation of the garbage is reduced, the compression structure can act on the opening and closing structure while working, and the compression structure is arranged, so that the garbage can be conveniently and rapidly compressed through the opening and closing structure. According to the garbage compression device, the feeding port can be automatically blocked when garbage is compressed, so that manual closing is not needed, time and labor are saved, the recycling structure is installed at one end of the box body, gravel screened out from sewage can be smashed and stirred again so as to be recycled, emission of sewage pollutants can be reduced, waste can be turned into wealth, and the environment is protected. And recycling is realized.