Minitype sewage comprehensive treatment device

The invention belongs to the field of sewage treatment, and particularly relates to a minitype sewage comprehensive treatment device. The minitype sewage comprehensive treatment device comprises a water tank, wherein the inside of the water tank is provided with a water inlet region and a water outlet region; a biological treatment region is arranged between the water inlet region and the water outlet region; a filler basket is installed between the water inlet region and the biological treatment region; the filler basket is filled with a catalyst; an aeration region is arranged below the biological treatment region; an anaerobic region is arranged below the aeration region; and the biological treatment region communicates with the water outlet region. The minitype sewage comprehensive treatment device has the advantages of simple structure and complete functions, integrates multiple sewage treatment techniques, saves the space and construction cost, and is suitable for minitype sewage pump plants and teachin