The application discloses a modular integrated control device of an integrated
sewage treatment device and relates to the field of integrated control, which comprises a control box, a base arranged below the control box, a fixing ring fixedly connected to the left side of the top of the control box, a mounting ring sleeved outside the fixing ring, a top base fixedly connected to the top of the mounting ring, a stop ring and a
threaded rod, wherein the stop ring is fixedly connected to the left side of the top of the inner wall of the control box, the
threaded rod is arranged in the control box, and the top of the
threaded rod penetrates through the control box. The mounting ring is arranged to be inserted at the top of the fixing ring, the annular block at the top of the fixing ring is in contact with the clamping block, the protruding part of the fixing ring extrudes the clamping block to the inside of the mounting ring, the clamping block is ejected when the fixing ring moves above the clamping block, the annular block can be prevented from falling off, the stability of the control box in work can be ensured through multi-layer mounting of the control box, the control box is not prone to damage, and the use cost is reduced.