Discussion on main points on designing of instructional software

Instructional software is a kind of software program or system, which reflects the teaching strategy according to the teaching objectives and teaching contents for the purpose on promoting teaching and learning by both computer technology and network technology. Firstly, the concept of instructional software, features and functions are introduced in the article. Secondly, making a detailed description on the current types of instructional software features for total eleven types, and discussing on main points on designing of instructional software for each type fully. Finally, an initial expectation on researches on directions of instructional software designing is given, which from three aspects on designing of teaching platform for SPOC(Small Private Online Course), designing of mobile learning resources, and the intelligence on designing of instructional software in the future.