Cognitive behavioral therapy is one of the most effective treatments for insomnia， but traditional face-to-face cognitive behavioral therapy has limitations such as space constraints and economic burden. Computerized and Internet-based cognitive behavioral therapy are innovative， networked interactive therapy that enhances the availability and acceptability of cognitive behavioral therapy with simplicity and economics. This article reviews and introduces the theoretical basis， core technology， treatment settings， treatment platform， evaluation indicators， therapeutic efficacy， advantages and limitations of computerized and Internet-based cognitive behavioral therapy， and provide reference for the treatment of insomnia.