Endometrial basal layer injury caused by various reasons can lead to endometrial fibrosis and uterine cavity morphological damage.The most common representative disease of endometrial injury in clinic is intrauterine adhesions.The common clinical manifestations of intrauterine adhesions with endometrial injury are hypomenorrhea，amenorrhea and infertility.The clinical evaluation indicators include imaging，hysteroscopic morphology and endometrial receptivity.The grading standard of intrauterine adhesions established by China Society of Gynecology Endoscopy has included more comprehensive and effective evaluation indicators，which has higher clinical application value for the accurate evaluation and diagnosis of endometrial injury and the effective prediction of reproductive prognosis.