Insomnia disorder is the most common sleep disorder, which interacts with other diseases, causing health damage to human body and imposing a significant socio?economic burden. Currently, there have been further advancements in subtypes of insomnia disorder, comorbidity research, mechanistic hypotheses, assessment strategies, and treatment methods. With the advent of the information age, digital platforms can integrate early warning, accurate assessment and diagnosis, treatment methods, and later follow?up for insomnia disorder to establish a comprehensive and standardized system for the treatment and management of insomnia disorder, helping to alleviate a rising morbidity rate and save healthcare costs.