Abstract
In recent years， with the increasing and the more complex of the international dispute，third party in arbitration which is not involved in the arbitration exists， theorists argue whether the third human of system should exist，this article elaborated the two parties major point and the reason， and enumerated the legislation and the experience in the other countries，throughout the theoretical and practical analysis. The article from arbitrates the third person of concept the discrimination to begin, to arbitrates introduces the third person of system's theory to contend with the practice manner performs the comparative analysis, embarks from the arbitration intrinsic principle, through comparison internationally some general procedures, unifies our country lawsuit and the arbitration legislates and practices, thought that in the arbitration should not have the third person of system. Because arbitrates is different with the lawsuit, in the arbitration sets up the third person of system to have the significant theory barrier, namely the arbitration power's origin is the arbitral agreement, the arbitration power and the lawsuit power has the essence to distinguish, this is doomed to arbitrate cannot imitate the lawsuit to set up the third person of system. At the same time, will set up the third person of system also seriously to violate the arbitration the benefit, fair and value orientations and so on security.
Key Words：third party in arbitration proceedings；arbitration agreement；lawsuit
