Environment-friendly sewage treatment device

The utility model discloses an environment-friendly sewage treatment device which comprises a sewage treatment tank and a purified water storage tank, the sewage treatment tank is mounted on one side of the purified water storage tank, and a hydraulic oil pump, a hydraulic oil tank and a battery box are mounted on one side of the sewage treatment tank. The flexibility is high, the direction can be automatically changed, and the obstacle avoidance function is achieved; the inclination degree, namely the irrigation angle, of a water spraying plate for irrigation can be adjusted, irrigation can be conducted according to the conditions of green plants, waste of water resources is avoided, a top cover of the sewage treatment box can ascend and descend automatically, and a stirring rod can be cleaned, maintained and replaced conveniently; solar energy resources are used for generating electricity and supplying power to the device, so that the device is convenient to use outdoors, a filter drawer is arranged, a filt