Whether or not persist in the direction of socialist cultural building by the leading of socialist kernel value system, strengthening the main position of socialist kernel value system ,is the key to socialist outstanding culture building. But, building socialist kernel value system is face to the unprecedented challenge from the public media, consume culture, internet and socialist trend of thought. In order to deal with the challenge, we should, firstly, firmly grasp the core of economy and ram the material base of building in socialist kernel value system; secondly, set up healthy consume culture by strengthening leading and managing; thirdly, lead the internet culture building by socialist kernel value system; fourthly, firmly establish the guide position of Marxism in controversy with socialist trend of thought.