Solar-driven ecological sewage treatment system

The utility model provides a solar-driven ecological sewage treatment system which comprises a solar power supply device, a sewage treatment device and a sewage treatment device, the solar power supply device comprises a solar panel, a solar controller and a storage battery, and the storage battery is electrically connected with the solar panel through the solar controller; the first end of the microcomputer control system is electrically connected with the solar controller; the first end of the fan and water pump frequency conversion control system is electrically connected with the second end of the microcomputer control system; the aeration fan is arranged on the filter bed, and the aeration fan is electrically connected with the second end of the fan water pump frequency conversion control system; the sewage lifting pump is arranged in the water collecting tank, and the sewage lifting pump is electrically connected with the third end of the fan and water pump frequency conversion control system. A full-au