The synchronization of estrus of 60 Te Ke Syre donors was carried out from 2003 to 2005, among which 58 donors were in the state of synchronization of estrus. The rate of synchronization of estrus is 96.67%. The synchronization of estrus of 337 recipients was also carried out, among which 325 recipients were in the state of synchronization of estrus. The rate of synchronization of estrus is 96.44%. The super ovulation of 14 Te Ke Syre donors was carried out in 2003 and 142 yellow bodies were acquired in the ovary and 137 embryos were collected using the technique of flushing the embryos at the oviduct tube. The rate of collecting is 96.48%. There were 126 available embryos among them and all the fresh embryos were transferred into 97 recipients. The pregnancy rate is 56.7%. From 2004 to 2005, the super ovulation of 46 Te Ke Syre donors was carried out and 485 yellow bodies acquired in the ovary and 403 embryos was collected using the technique of flushing the embryos at the Womb. The rate of collecting is 83.09%. There were 327 available embryos among them,217 fresh embryos were transferred into 186 recipients. The pregnancy rate is 54.92%. Other 110 embryos were frozen and 104 of them were transferred into 80 recipients. Among them 41 recipients were not return to the state of estrus and the pregnancy rate is 51.25%.