If the ovarian cyst is 6cm in diameter, it is not serious, and after the discovery of ovarian cysts, it is recommended to have blood tests for tumor markers, such as CA12-5, HE4, AFP, CEA. for ovarian cysts ≤6cm in diameter, if the blood tests for tumor markers are normal, they are considered physiological ovarian cysts and do not need to be treated for the time being, and can be reviewed regularly. Ovarian cysts are a type of cystic tissue structure that occurs inside the ovary and is filled with liquid or semi-liquid material and has thin walls. Other pathological cysts include chocolate cyst, plasmacytoma, mucinous cystadenoma, teratoma, etc.