After medical abortion or abortion of the uterine adnexal ultrasound flocculent echoes are mostly considered to be intrauterine tissue residues, echo volume is less than 1 cm and persistent abnormalities or echo volume is greater than 1 cm need to be performed to clear the uterus, as follows: 1, if the flocculent echoes are less than 1 cm in volume, there is no inhomogeneous strong echo, it is recommended that under the guidance of the physician to use some of the activation of blood circulation and stasis of the medication, contraction agents, etc., treatment, one week after a review is normal, then not If it is still abnormal, then the uterus needs to be cleared; 2, if the volume of flocculent echoes is larger than 1 cm, it is generally difficult to promote the discharge of drugs, it is recommended to remove the uterus as early as possible, so as to avoid prolonged bleeding leading to anemia. This will cause unnecessary harm to the body, is not conducive to the recovery of the uterus, and in serious cases, may affect the future fertility.