The “three?factor model” of insomnia suggests that the effects of predisposing factors on chronic insomnia. Psychological resilience and social support which are protective factors for insomnia continue to play a positive role in relieving symptoms of insomnia. In this study， we selected two types of insomnia， including non?organic insomnia and secondary insomnia. Through a series of differential analysis， correlation analysis and regression analysis， we explored the relationship between psychological resilience and social support and insomnia， to provide suggestions for future clinical treatment.