Eating disorder is a kind of complex multifactorial disease. Although the etiology of the disease is still not fully expounded, it is certain that its etiology is closely related to biological, psychological and sociocultural factors. It is helpful to make early predictions and interventions for patients with eating disorderslearning through the studies of risk factors for eating disorder, which is also meaningful to provide more guidance and evidence for clinical work. Guidedrecent studies, this review summarizes recent findings and clarifies the latest identified risk factors for eating disorders in the main areas of biology, psychology, and sociocultural environment. [Key words]eating disorders; risk factors; biology; psychology; sociocultural environment