Hydrocele cannot be determined by ultrasound, it can only be detected and needs to be visualized laparoscopically in order to be determined. Hydrosalpinx needs to be visualized under laparoscopy to confirm the diagnosis. Tubal hydrosalpinx can be detected through the vaginal ultrasound, if there is a suspicion of tubal hydrosalpinx, laparoscopic exploration should be carried out to examine the pelvis under direct vision, to observe whether there is tubal hydrosalpinx, whether the umbilical end of the free, adhesion and so on, in order to confirm the diagnosis of tubal hydrosalpinx. Hydrosalpinx is a disease in which the umbilical end of the fallopian tube becomes atretic or impassable due to inflammation or other reasons, causing fluid to accumulate in the fallopian tube. Preventing pelvic inflammatory disease can reduce the chance of hydrocele to some extent. In case of hydrocele, you should go to the hospital in time for relevant examination, and the doctor will give the correct treatment according to the examination result.