The interfusion of multi- agents cooperative environment and distributed Client/Server computing environment is necessary and beneficial. TIs paper puts forward an agent co-operation language ACOL at first. Based on KQML
the language adds some concepts and coordinary languages such as shared - group
privated - group and semaphore of group. Then
we hose a scheme realizing ACOL and building a multi - agents cooperative environment based on integrated middleware CSE/MA.