Integrated domestic wastewater treatment device

The invention relates to an integrated domestic wastewater treatment device, and belongs to the technical field of wastewater treatment. The integrated domestic wastewater treatment device comprises a pre-treatment device and a post-treatment device, the pre-treatment device comprises an oil skimmer, a garbage grinder and a self-cleaning filter, the post-treatment device comprises a black water collection cabinet, a grey water collection cabinet, a sludge fertilizer making device and a wastewater treatment device, the kitchen wastewater is treated by the oil skimmer and then enters the black water collection cabinet, the kitchen waste is treated by the garbage grinder and then enters the black water collection cabinet, bath grey water is treated by the self-cleaning filter and then enters the grey water collection cabinet, the black water enters the black water collection cabinet, the black water collection cabinet is communicated with the grey water collection cabinet, the bottom parts of the black water col