This paper analyzes the necessity and advantages of practising interactional and situational teaching oriented by problem-based learning(PBL) in ophthalmology,introduces the specific contents of the teaching approach,including reorganization of the contents,taking full advantage of image resources,creating a distinctive class style,role reversal and the teaching process.

The interaction is a process of participation and experience,and the interactive advertisement is such a communication model,which makes the way people acquire information full of pleasant surprise,interest and feeling of freshness.

With the increasing development of network technology,the interactive network advertisement,as a new form of transmission,is characterized by three changes compared to traditional ones: unitary to diversity,enforced to interactive,broadness to pertinency.