The application discloses a portable
air purifier and belongs to the technical field of
air purifiers. Mainly includes: the shell is equipped with the air inlet hole, the filter screen is installed in the air inlet hole, the
assembly frame is installed in the shell, the negative
ion generator is installed on the
assembly frame, the
air blower is installed in the shell, the air outlet hole is arranged on the shell and matched with the
air blower, the wearing
assembly is installed on the shell, the wearing assembly at least includes two groups of collar clips installed on the shell, and the sliding groove is arranged on the collar clip. The portable
air purifier of the application generates negative ions by the negative
ion generator after the external air is filtered through the filter screen of the air inlet hole of the shell, the
air blower discharges the negative ions from the air outlet hole, the wearing assembly is magnetically attracted and fixed through the main magnetic attraction ring and the auxiliary magnetic attraction ring, the collar clip is clamped on the clothes and is not easy to shake, the optimal distance between the mouth and the
nose is kept, and portable purification is realized.