1992 enlistment
1992 ——1998 254 obstetricians and gynecologists in the hospital
1998-2002 First Military Medical University (now Southern Medical University) assisted in reproductive specialty (clinical and laboratory) and obtained a master's degree in medicine.
From 2002 to 2004, 254 hospital obstetricians and gynecologists
From 2004 to 2007, Tianjin Medical University studied male infertility and obtained a doctorate in medicine.
Since 2007, authoritative experts in assisted reproductive centers in 254 hospitals.