The invention discloses an intelligent air purifier. The air purifier comprises a shell, a purification device and a control device are arranged in the shell, a telescopic table lamp, an electric fan and an air quality detection instrument are arranged on the shell, an opening is formed in the side face of the shell, the electric fan is arranged in the opening, and is movably connected with the shell, and the purification device, the telescopic table lamp, the electric fan and the air quality detection instrument are all connected with the control device; the lifting table lamp and the electric fan are arranged on the purifier, the opening is formed in the side face of the shell, the electric fan is arranged in the opening, and is movably connected with the shell, positive and reverse turnover of the electric fan is facilitated, when the purifier is used, the front face is outward, and when the air purifier is not used, the reverse face is outward; one air purifier has multiple purposes, meanwhile, through reasonable design of the structure, the space and the occupied area can be effectively reduced, the air quality detection instrument is arranged, the purifier can carry out specific work according to detection results, and intelligence performance is improved.