As an essential step of the infertile work-up, hysterosalpingography remains widely used in many country since it was first reported at 1914. Although HSG is a non-invasive and safety procedure, it still has some adverse. Lower abdominal pain and vasovagal episodes are mainly acute reactions to the contrast media of HSG, the later include nausea, Vomit, Sweating, Weakness and even bradycardia, occur in 16-54% of patients undergoing HSG.