Adnexal cysts are masses found above the fallopian tubes or ovaries. Adnexal is a general term for the fallopian tubes and ovaries, and most of the adnexal cysts are ovarian cysts, with a very small percentage being formed because of hydrops in the fallopian tubes. Ovarian cysts are physiologic and pathologic. Annex is the fallopian tube and ovary general, annex cyst refers to the fallopian tube or ovary above the discovery of cysts, in the clinical, ovarian cysts are more common, ovarian cysts are divided into physiological and pathological. 1. Physiological ovarian cysts mostly appear after ovulation and disappear naturally after menstruation. 2. Pathologic ovarian cysts, which remain after menstruation and have a diameter of less than five centimeters, usually do not require special treatment and can be followed up. 3. In patients with large tubal fluid retention, the cysts can be seen under ultrasound. Adnexal cysts should be treated in a timely manner.