Bleeding after successful transplantation is related to a variety of factors, and the causes of bleeding at different stages are different and should be analyzed on a problem-specific basis. If the patient bleeds within a week after the transfer, it is mainly due to a small amount of bleeding caused by contact with the patient’s cervix with mild inflammation or irritation of the cervical mucosa during the transfer. If the bleeding is more than 7 days old, but the amount is small and not bright red fresh blood, it may be embryonic implantation bleeding, at which time excessive anxiety should be avoided, and fetal preservation medication can be taken and closely observed. However, if you are still bleeding 20 days after the transfer, you should pay attention to the fact that the embryo may not have been implanted in the uterus, which is a very dangerous situation, and you should go to the hospital as soon as possible to take HCG and ultrasound to clarify the cause of the bleeding. In addition, patients are advised to take more rest and avoid overwork after successful transfer. It is necessary to maintain a happy spirit, not to be overly anxious, and to seek medical attention promptly for any abnormal conditions.