Sewage treatment device capable of regularly replacing filter screen

The invention relates to a sewage treatment device capable of regularly replacing a filter screen, and effectively solves the problems that a new filter screen needs to be mounted after the filter screen is dismounted, and time and labor are wasted in the processes. According to the technical scheme, the device comprises a device body, a rotatable rotating disc is rotationally arranged on the surface of the device body, a partition plate is arranged on the inner side wall of the rotating disc, a channel connecting mechanism is arranged on the upper surface of the device body, a stirring mechanism is arranged on the upper surface of the rotating disc, and a driving connecting mechanism is arranged on one side of the device body. According to the scheme, the annular rotating disc is arranged and can be divided into a plurality of filter screens, the filter screens only need to be rotated and replaced, the used filter screens are rotated out to be stirred, chemicals are added for cleaning, and the used filter sc