Ultra-high-risk of schizophrenia（ Ultra-high-risk， UHR） refers to people in the prodromal stage of schizophrenia. Since early identification and intervention of UHR can improve clinical efficacy， delay or even prevent the transition of UHR， the related research has become the hot spot. Understanding the psychosocial factors and cognitive function characteristics of UHR can provide ideas for early identification and intervention of UHR. Therefore， this article intends to review the psychosocial and cognitive function characteristics and intervention of the ultra-high-risk population of schizophrenia， in order to provide references for the early intervention of UHR and related scholars.