Abstract: Here presented are some focus issues associated with the design and construction of intelligent agents. Some key attributes and properties of intelligent agents are first summarized through reviewing and examining some basic concepts and well\|known definitions of agents. A template architecture for modeling intelligent agents is then proposed, which is a hybrid modularized framework and supports the construction of intelligent agents or agent\|oriented systems for various application needs. The functions and work process of the modules in the agent architecture are discussed in detail.