This paper makes a multi-dimensional investigation of the scope and connotation of administration of justice(AOJ) from three angles: definitions of AOJ literature,the management work and lists of documents from judicial administration practice,and then concludes that AOJ has a very wide scope and rich connotation,so the study is of theoretical value to the correct understanding of AOJ concept itself as well as to improvement of AOJ levels of China wholly,from the construction of constitutional system and mo...