An air purifier with a mosquito catching function includes a front cover (11) and a rear cover (12), the two of which are locked to form a cavity (181) to accommodate a wind wheel (80), and an exhaust passage (19) is arranged on the top of the cavity (181). The wind wheel (80) is driven by a motor (90) mounted on either the front cover (11) or the rear cover (12). A front filter net is furnished at least outside of the front cover(11). The outside of the front filter net is provided with a mosquito catching net (40,70) comprising a black front mosquito-trap net (41) and a white mosquito barrier net (42), wherein the white mosquito barrier net (42) is locked to the inside of the black front mosquito-trap net (41), and the space there between constitutes a mosquito lockup area (43). Several mosquito trap covers (45) are evenly distributed on the black front mosquito-trap net (41), constitute a plurality of mosquito-entering conical slots (44), wherein each of the mosquito-entering conical slots (44) is communicated to the mosquito lockup area (43) by a through hole (46). By adopting the mosquito net of the special structure, the air purifier can effectively eliminate mosquitoes by adopting the integrated bi-directional wind wheel, the air purifier can enable two-way air input and increase the net air volume at least one time and by adopting the HP filter net, the air purifier can effectively filter out smoke and dust.Linvention porte sur un purificateur dair présentant une fonction de capture de moustiques, lequel purificateur comprend un capot avant (11) et un capot arrière (12), les deux étant verrouillés de façon à former une cavité (181) de façon à recevoir un ventilateur (80), et un passage dévacuation (19) étant agencé au sommet de la cavité (181). Le ventilateur (80) est entraîné par un moteur (90) monté soit sur le capot avant (11) soit sur le capot arrière (12). Un filet de filtre avant est disposé au moins à lextérieur du capot avant (11). Lextérieur du file