Buried sewage treatment device

The utility model relates to the technical field of sewage treatment, and provides a buried sewage treatment device which comprises a sewage treatment body and a functional chamber, the sewage treatment body is buried under the ground surface, the functional chamber is arranged above the sewage treatment body, and the top surface of the functional chamber is higher than the ground surface; the sewage treatment body comprises a plurality of reaction bins and precipitation bins which are connected in sequence, and the functional chamber comprises a first chamber, a second chamber and a third chamber; the first chamber is communicated with the plurality of reaction bins and the precipitation bin and is used for monitoring the working states of the plurality of reaction bins and the precipitation bin; the second chamber is used for placing an air supply device, a dosing device and a control device; the third chamber is communicated with the precipitation bin and is used for discharging clear water in the precipit