The invention discloses an integral rotary type air purification device. The integral rotary type air purification device comprises a first filter tank, a second filter tank and a third filter tank and an upper base. A first filter plate, a second filter plate and a third filter plate are separately arranged on the middle portions of the inner sides of the first filter tank, the second filter tankand the third filter tank, a plurality of ultraviolet light lamps are arranged on the inner walls of the left and right sides of the first filter tank, the second filter tank and the third filter tank, and the first filter tank, the second filter tank and the third filter tank are arranged on the upper base in sequence. An air inlet pipe is arranged on the middle portion of the left side of the first filter tank, and an air outlet pipe is arranged on the middle portion of the right side of the third filter tank. Communicating pipes are arranged between the first filter tank and the second filter tank as well as between the second filter tank and the third filter tank, the communicating pipes are provided with fans, and a lower base is arranged under the upper base. The integral rotary type air purification device is stable and flexible and reliable in operation, has good function of removing PM2.5 and formaldehyde, and has high purification efficiency, the purification rate is easy toadjust and control, and a purification assembly is easy to maintain.