This study will discuss about Non- Interference Principle in ASEAN region. Non-Interference Principle had firstly been announce during ASEAN Bangkok Declaration of 1967 , which the basis of the document position that the province want to be unrestricted from external interference in its domestic affairs,( Ramachandran,2000:1) as cited by Fuad and Zaheruddin, (n.d.). The principle of Non-Interference is the sacrosanct cornerstone of Intra- ASEAN relationship, Drummond (n.d.).In the rece...