The success rate of blastocyst transfer is about 70%, but the exact success rate also needs to take into account the individual’s physical condition, the quality of blastocysts, the level of technology and other factors. Blastocyst transfer refers to the transfer of embryos that have been cultured for 5 to 6 days to the uterine cavity after they have formed a blastocyst. Blastocyst transfer can screen out the embryos with better development potential, and the development of embryo and endometrium are more synchronized in blastocyst transfer, which can make the embryo implant in the uterine cavity as early as possible, and reduce the chances of ectopic pregnancy, and the success rate is about 70%. After blastocyst transfer, you should take proper bed rest, avoid overwork and too large changes in body position. Also need to do a good job of prevention of miscarriage. Pay attention to a light diet, balanced nutrition. Supplementation of folic acid can prevent malformation of embryo development. It is recommended that women who are interested in blastocyst transfer should go to regular reproductive hospitals for consultation, and seek medical treatment in time if there is any discomfort after the transfer.