Wetland water ecological restoration and sewage treatment device

The invention relates to the field of sewage aeration, in particular to a wetland water ecological restoration and sewage treatment device. The device comprises a floating seat, an air injection assembly, an air supply mechanism and a traveling mechanism, the air injection assembly comprises a rotating cylinder provided with a plurality of air injection holes in the annular direction and the vertical direction and a fixed cylinder arranged on the peripheral side of the rotating cylinder in a sealing and sleeving mode, a transfer air cavity is formed between the rotating cylinder and the fixed cylinder, the rotating cylinder extends out of the bottom end of the fixed cylinder, part of the air injection holes are located in the transfer air cavity, and the other air injection holes are located outside the transfer air cavity; the air supply mechanism is arranged on the floating seat and is used for supplying air to the transfer air cavity; the traveling mechanism is arranged on the floating seat and drives the