In case of postpartum review or after miscarriage, gynecological ultrasound examination reveals abnormal echogenicity in the uterine cavity, which may be fluid or residue in the uterine cavity. Residue in the uterine cavity after delivery or miscarriage may easily cause more than bleeding and uterine cavity infection, etc. It is recommended to cooperate with the doctor for further examination. After the diagnosis is confirmed, under the guidance of the doctor, oral medication such as motherwort granules or motherwort cream should be taken to promote the discharge of uterine cavity residues as soon as possible. If the effect of medication is not good, it is necessary to cooperate with the doctor to do the operation to clear the uterus to avoid uterine cavity infection. If the abnormal echogenicity in the uterine cavity is found in the usual ultrasound examination, it may be endometrial inflammation or pelvic inflammation caused by uterine cavity effusion. You need to cooperate with the doctor after further examination to confirm the diagnosis, under the guidance of the doctor, the use of penicillin or cephalosporin antibiotics anti-inflammatory treatment, during the treatment period need to pay attention to rest, avoid strain.