Abstract: The studies on situation models in language comprehension and memory has been towards two issues, one was the separation of situation models and textbase, the other was the integration of multi-dimension of situation models. Recently, researchers investigated further the essential of situation models based on the existing results. In the possible future research of situation models, significant progress would be made in the scientific understanding of what were situation models and how situation models were processed with the development of paradigms.

Key words: situation models, textbase, multidimensional, essential