The national enterprise credit information publicity system which goes online in a short time is a successful government information sharing website. It has solved the problem which troubled Industrial and Commercial Bureau and the public many years. The causes of its success can be attributed to pay attention to top development planning, the good information foundation work. etc. But the changed Social duty of Industrial and Commercial Bureau which caused by Enterprise Registers System Reform of China is the most important reason results to the enterprise credit information publicity. “Social duty” ensured the online access to the enterprise registration information so as to implement the comprehensive enterprise credit information sharing from the aspect of institution.