Wearable Computer(WearComp)is a class of new conceptual personal mobile computing system,it has special requirements for its software system human machine interaction mode,power,and communication waybesides its particular hardware structure.Wearable computer's super miniature & light,and its other properties make it have unique & wide use,and have huge application prospects.This article is the continuation of [1],widely discusses the above issues,introduce the research contents & development direction of WearComp,and probe into WearComp's use & its prospects in application.The purpose is to arouse Chinese computer researcher's interests in WearComp and to promote the research and development on WearComp in China.