A machine (1) for packaging tobacco industry articles, comprising: - a forming unit (2) for forming groups of articles (A) to be packaged and in turn comprising: an inlet section (20) that receives a plurality of articles (A) to be packaged; an outlet section (21) that feeds separate groups of articles (A) to be packaged; and a plurality of channels (22) each extending from the inlet section (20) to the outlet section (21); - a wrapping unit (10) that receives the groups of articles (A) to be packaged from the forming unit (2) to package them by means of at least one wrapping; - a sanitizing unit (3) designed to at least partially irradiate with UV radiation the forming unit (2) for forming groups of articles (A) during transit of the articles (A) in the forming unit (2).