Domestic wastewater collecting device

Disclosed is a domestic wastewater collecting device. The domestic wastewater collecting device comprises a wastewater processing box a filter mesh at the outlet, a first pipe and a wastewater collecting box, wherein the wastewater processing box is arranged above the wastewater collecting box and communicated with the wastewater collecting box through a first pipe between the wastewater processing box and the wastewater collecting box; one end of the first pipe, which is connected with the wastewater collecting box, is provided with a filter bag; the side wall of the wastewater collecting boxis provided with a drainage port, a limiting water outlet, and a flange cover facilitating replacement of the filter bag, and the flange cover is provided with a handle; the top of the wastewater collecting box is provided with a clean water inlet communicated with a water source switch, and the bottom of the wastewater collecting box is provided with a sewage outlet; the distance between the limiting water outlet and th