To determine whether the fallopian tube is blocked or not, you can first judge based on whether the physical condition is abnormal or not, while auxiliary examinations such as tubal imaging examination can directly observe whether it is blocked or not. 1. Physical condition: Women with tubal blockage may experience reduced fertility or external infection of the reproductive organs in their daily life, which may cause lower abdominal pain, increased vaginal discharge, vulvar inflammation, etc. Such uncomfortable symptoms can help determine whether there is tubal blockage. Such discomfort symptoms can help determine whether a woman may have tubal blockage, but further diagnosis needs to rely on auxiliary tests. 2. Auxiliary examination: Tubal imaging is a kind of examination means that can directly observe the smoothness of the fallopian tube, through observing the flow of contrast medium in the tubal lumen, it can directly find out the smoothness of the fallopian tube and the specific obstruction site. It is recommended that women go to the hospital regularly for gynecological checkups, and if tubal blockage occurs, they need to seek medical treatment as soon as possible.