Hysteroscopy improves the transfer success rate after treating diseases that affect pregnancy. If a patient suspects the presence of intrauterine pathology, hysteroscopy is needed to examine and treat the uterine cavity to ensure a normal intrauterine environment, at which point, hysteroscopy is known to improve the success rate of embryo transfer. Hysteroscopy is often used to check the situation inside the uterine cavity, can more effectively understand the changes in the endometrium, early detection of potential lesions in the uterine cavity, such as uterine adhesions, uterine polyps, etc. After the discovery of the lesions, timely adoption of therapeutic measures can stabilize the intrauterine environment, which is conducive to the normal implantation of fertilized eggs, and thus can improve the success rate of embryo transfer. It is recommended that patients who need embryo transfer should complete the relevant examinations under the guidance of the doctor before clarifying the need for hysteroscopy and treatment.