With the most simulated design so far, its appearance and elasticity are very close to that of human body, and it has a complete birth canal (ischial spine, ischial tubercle, pubic arch, pubic symphysis). It is the only obstetric simulator with a vaginal structure. At the same time, the selection of materials has been repeatedly compared to achieve a similar experience with the actual operation. Lucy's is also multifunctional and widely used in various teaching and training of obstetrics and gynecology, such as vulva structure, birth canal structure, vaginal midwifery, fetal position simulation, etc. It is especially suitable for the training of fetal aspiration midwifery and forceps midwifery.