Multifunctional air purifier

The invention discloses a multifunctional air purifier, and mainly solves the problems that an air purifier in the prior art cannot monitor the air quality in real time and does not have a sterilization effect. The air purifier comprises a purifier main body, air inlet holes formed in a rear cover of the purifier main body, air outlet holes formed in the lower part of a front panel of the purifiermain body, a controller mounted on an inner wall of the purifier main body, an environment detector mounted on inner walls of the air inlet holes, a fixed groove formed in an inner wall of the purifier main body in the longitudinal direction, a filter element mounted in the fixed groove, a ventilation fan connected with the controller, an electrostatic sterilization layer mounted between the airoutlet holes and the ventilation fan, and a display screen which is arranged on the front panel of the purifier main body, is connected with the controller and is used for displaying detection information of the environment de