The comprehensive and three-dimensional space-time constructed by network media has fine-grained infiltrated in all spheres of society. Medical dispute report in the network is playing an important role of supervision by public opinion for it could always touch the sensitive nerve of society，however，there also exists some mistakes which may mislead the public. Through rethinking the loss of self-regulatory practice in the reports and exploring the value height of the mainstream media should have， this article calls for moral norm construction in network communication space,in order to enhance the positive effects of medical dispute report and promote the progress of public environment.