Intrauterine cystic echogenicity is a descriptive term for imaging tests, mainly referring to early intrauterine pregnancy or uterine fluid, which requires prompt medical treatment once detected. Early intrauterine pregnancy and uterine fluid due to uterine adhesions can be manifested as cystic echogenicity in the uterine cavity on ultrasound, and most of the patients have no obvious symptoms, among which the cystic echogenicity of early intrauterine pregnancy is round and accompanied by thickening of the uterine lining. Uterine fluid is usually seen in elderly women or after gynecological surgery, usually due to adhesions in the uterine cavity, resulting in a small amount of fluid, ultrasound can be shown as cystic echogenicity in the uterine cavity, usually more pike-shaped, in addition to the endometrium does not have obvious changes.