Abstract: As the empire provision of civil law,integrity principle contains the three meanings of objective goodwill,restriction of rights,and balance of interests.Along with continuous the overlapping of public law and private law,the administrative law of all countries reflects the principle of integrity in different degrees.It not only has the guidance function to the subjects of administrative law,but also meets the standards of basic principles of administrative law.Therefore,integrity should be promoted as the basic principle of administrative law.And as a basic principle,the principle of integrity puts “the legal person” as “the moral person”,promotes the equal status of the subjects of administrative law,and makes administrative counterpart the object of the basic principle of administrative law.

Key words: integrity, basic principle of administrative law, theoretical justification