The invention discloses an air odor removing device used indoors. The air odor removing device comprises a containing box body. The device body is composed of a control panel arranged at the top of the device body and rolling wheels arranged at the bottom of the device body. A lamp ring is installed at the top end of the control panel and is further embedded into the control panel. A front panel is arranged at the left side of the device body. A display screen is arranged at the top end of the front panel and is further embedded into the front panel. Keys are installed at the lower end of thedisplay screen. Other ions in the air can be effectively filtered through a multifunctional filter screen, the corroded efficiency of decorations is lowered, multi-element catalytic agent filter screen replacement can be conducted directly once the multifunctional filter screen is blocked, and therefore the air odor removing device is simple and easy to use and low in cost. The air odor removing device used indoors is simple in structure, convenient to use, obvious in effect and high in practicability.