Alexithymia refers to the difficulty and deficiency of individuals in emotional experience， recognition， and expression， and is one of the influencing factors of mental illness. Childhood trauma， early maladaptation schemas， and other psychosocial factors are closely related to the occurrence of alexithymia. This article reviews the relationship among childhood trauma， early maladaptation schemas， and alexithymia to deeply explore the mechanism of psychological factors in alexithymia and provide new directions for subsequent psychological treatment and intervention.