The ecological research in the Antarctic sea-ice zone beg an basically in 1960s. With the preliminary research in the coastal zone, the study in seasonal pack ice and ice edge area, and recently in the coastal and shelf areas, the role of sea ice and sea-ice biota in the Antarctic ecosystem has been commonly recognized. With the execution of the programme: EASIZ and CS-EASIZ, the ecological research in the Antarctic sea-ice zone has become one of the most important aspects in the study of Antarctic ecosystem. Besides, the progresses in this study area are introduced.