Air purifier with fan

The invention discloses an air purifier with a fan. The air purifier comprises an upper cover and a lower cover, wherein a printed circuit board, the fan and an anion generator are arranged between the upper cover and the lower cover; a round track is arranged on the upper cover; a fan base is mounted on the round track; the fan base comprises a base body and vertical rods arranged on the two sides of the base; a plurality of rollers are arranged at the bottom of the base; the fan is mounted on the fan base; an accommodating cavity is arranged in the lower cover; a filter element device is arranged in the accommodating cavity; a bottom cover is arranged below the lower cover; a plurality of air inlets are formed in the bottom cover; a groove is formed in the upper surface of the upper cover; a planting tray is arranged in the groove; a planting tray cover is arranged on the planting tray; and an air outlet is formed between the planting tray and the groove wall of the groove of the upper cover. With the fan, the air purifier not only can lower the temperature of the surrounding environment, but also can accelerate the dispersion of purified air.