Ovarian cysts are very common benign tumors, most of them do not have specific symptoms and most of them are detected only during a medical ultrasound. Smaller cysts have little effect on a person, but in some cases they can have a significant impact on a healthy life, summarized in several ways. First, the impact on endocrine and reproductive function, larger cysts will affect the ovarian ovulation function, polycystic ovaries when the endocrine function is obviously abnormal, there are menstrual disorders can lead to infertility. Secondly, rupture or torsion of ovarian cysts is an acute abdominal condition, with severe abdominal pain, nausea and vomiting, often requiring emergency surgery. If it occurs during pregnancy, it may cause miscarriage or preterm labor. Third, malignant change is a change in the nature of the cyst, there are no special symptoms in the early stage, if the patient can not do regular review, timely detection will increase the difficulty of treatment in the future. Fourth, compression symptoms, when the cyst is huge, the compression of organs can produce corresponding symptoms, such as frequent urination, etc. Some types of cysts have their own typical symptoms, such as endometriosis cysts will have dysmenorrhea, infertility, menstrual abnormalities and so on.