Indoor second-hand smoke purification device

The invention belongs to the technical field of second-hand smoke purification, and particularly relates to an indoor second-hand smoke purification device which comprises a purification box, an air purifier is fixedly connected to the inner wall of the bottom of the purification box, an exhaust pipe is fixedly connected to the exhaust end of the air purifier, and a partition plate is fixedly connected to the inner wall, close to the air purifier, of the purification box. A mounting hole is formed in the outer wall of the partition plate, the exhaust pipe is fixedly connected to the inner wall of the mounting hole, an air guide plate is fixedly connected to the outer wall of the side, away from the air purifier, of the partition plate, and differentiation plates are fixedly connected to the outer wall of the bottom of the air guide plate at equal intervals and distributed in a step shape. By arranging the annular air suction pipe, the connecting pipe and the air guide pipes, the air guide pipes are installed