Device for removing harmful gas such as formaldehyde and killing bacteria

The invention discloses a device for removing harmful gas such as formaldehyde and killing bacteria. The device comprises a main machine, a water tank and a draught fan I, wherein the water tank and the draught fan I are arranged on the main machine; a control module, an ozone generator, an air pump, a timer and a plurality of draught fans II are arranged in the main machine, the ozone generator, the air pump and the draught fans II are connected with the timer, and a connecting air pipe is arranged between the ozone generator and the air pump; an atomizer and a draught fan III are arranged in the water tank; a power supply switch, an air inlet and a timed control interface module are arranged on the side surface of the main machine, and the timed control interface module is connected with the timer; and a wetting atomizing hole and a water injection hole are formed in the water tank. The device is reasonable in structural design, convenient to use and low in cost, and consumables are not used; and by utilizi