（1） Application of international treaty principles. International treaties are various treaties or agreements in which the parties determine their mutual rights and obligations through friendly consultations in the political, economic, cultural and other aspects between countries. International treaties must be observed by all States parties.
（2） The principle of equality. The principle of equality means that foreigners and foreign organizations should enjoy and bear the same litigation rights and obligations as Chinese citizens and organizations in foreign-related administrative litigation.
（3） Principle of reciprocity.
（4） The principle of using Chinese common language.
（5） The principle that plaintiffs in foreign-related administrative litigation must entrust Chinese lawyers to represent them in litigation. Article 73 of the Administrative Procedure Law stipulates that if the plaintiff (foreigner, stateless person, foreign organization) of a foreign-related administrative lawsuit conducts an administrative lawsuit in the People's Republic of China and entrusts a lawyer to represent him in the lawsuit, he shall entrust a lawyer from a lawyer institution of the People's Republic of China.
[Legal Basis]
In Article 73 of the Administrative Procedure Law, if the plaintiff (foreigner, stateless person, foreign organization) of an administrative lawsuit involving foreign elements conducts an administrative lawsuit in the People's Republic of China and entrusts a lawyer to represent him in the lawsuit, he shall entrust a lawyer from a lawyer institution of the People's Republic of China.
