Liangping New Year woodblock prints was listed as a nation-level intangible cultural heritage in 2006. As a folkloric public culture,it possesses not only the specific and visual material attributes of cultural heritage but also the non-material cultural attributes such as folk belief and custom,manufacturing skills,etc. Under the background of the new era,the traditional and conservative production model of Liangping New Year woodblock prints cannot meet the growing spiritual and cultural needs of the people,so it shrinks its production and is being pushed out of business. As the public culture of intangible cultural heritage,the paper discusses the completeness,relevance and comprehensive protection of Liangping New Year woodblock prints from the aspects of activity,geography and systematicness to maintain the authenticity,uniqueness and identifiability of its public cultural heritage,to stimulate production activity and enhance public participation to achieve the overall protection of Liangping New Year woodblock prints.