HSG is the abbreviation for Hysterosalpingography, the main purpose of which is to assess the function of the fallopian tubes by visualizing the uterus and the tubes to see if there is any significant tortuosity or blockage. If there is a significant filling defect in the uterus, it is considered that there is a space-occupying lesion in the uterine cavity. If there is a significant interruption or defect in the visualization of the fallopian tubes, it is considered that there is a blockage of the endovaginal tubes, and the morphology of the fallopian tubes can be visualized through tubalography. In the tubal imaging examination, it needs to be carried out 3-7 days after the end of the woman’s menstruation, in the case of completely clean menstruation, after the end of the woman’s menstruation, prohibit sexual intercourse in order to accurately reflect the body’s condition.