Since the beginning of 1970s,the theory of mental schema has been widely applied to provide guidance for reading.

Being different from traditional context, cognitive context is a dynamic view of context with cognitive model, cultural model, proposition, knowledge script and psychological schema as its basic units.

In the process of communication, cognitive context makes people form the knowledge script, the psychological schema and t.

The finding is that cognitive context,with the cognitive participants\' knowledge script and psychological schema as the working units,plays a decisive role in cognitive construction over metaphors,which is in accordance with the three representations of cognitive studies on metaphors,and the cognitive nature and basis of metaphors.

Studies on art,aesthetic and psychological theories,even scientific technologies indicate that images are not only mental presentation that all kinds of creative activities have in common,but play an leading role in both cognitive and spiritual activities.