Gynecologic ultrasound can examine the organic changes in the organs of women’s reproductive tract, or congenital developmental abnormalities, as follows: 1. able to diagnose congenital reproductive tract abnormalities, such as congenital uterine developmental abnormalities, double uterus, bicornuate uterus, longitudinal uterus, unicornuate uterus or no uterus, infantile uterus, etc.; 2. able to diagnose uterine body and myometrial lesions, such as uterine fibroids or uterine adenomyosis occurring in the myometrium and uterine tumor, uterine sarcoma, etc.; 3, can diagnose uterine cavity and endometrial lesions, uterine cavity if there is inflammation caused to come to the uterine cavity adhesions, or endometrium with endometrial polyps, submucosal fibroids, endometrial cancer, endometrial hyperplasia; 4, can detect cervical lesions, cervical fibroids, cysts, and even cervical cancer; 5, diagnose early normal or abnormal pregnancy, such as abnormal ectopic pregnancy or miscarriage and other diseases; 6, can Diagnose abortion and postpartum uterine cavity residue, such as whether there is placenta retention after delivery, or even placenta implantation; 7. be able to evaluate the IUD, whether the position of the IUD is normal, whether it is still in the uterine cavity, and whether there is myometrial embedding, or even perforation to other parts, and also evaluate post-abortion complications, such as uterine perforation, post-abortion uterine cavity residue, post-abortion uterine cavity adhesion, or even traumatic vascular It can also evaluate post-abortion complications, such as uterine perforation, post-abortion uterine residue, post-abortion uterine adhesions, and even traumatic vascular abnormalities, such as traumatic uterine arteriovenous fistula; 8. The ultrasound can evaluate the endometriosis in the deep pelvis, the pelvic cavity after hysterectomy for occupancy or abscess or other masses, and pelvic floor dysfunctional diseases; 12. It can provide guarantee for the smooth operation.