Ovarian cysts are cyst-like masses in the ovaries, and there are physiological and pathological cysts. Physiological ovarian cysts are mostly cysts less than 5 cm, but there are also those larger than 5 cm. It is mainly due to poor luteal atrophy after ovulation, resulting in a small cyst-like change, which forms a physiological cyst, or a follicle that is overdeveloped and not ovulated. These cysts usually disappear on their own after two or three menstrual cycles. Pathological ovarian cysts are mostly cysts larger than 5 cm and they do not disappear on their own at the next review. The main causes of pathological ovarian cysts are genetic factors; endocrine factors: if patients suffer from endocrine disorders, they may secrete too much androgen, and the excessive production of androgen can lead to ovarian cysts; lifestyle factors: if you have poor long-term living and eating habits, such as eating fried food for a long time, staying up late, or being overly nervous and stressed for a long time, these can all These can lead to ovarian cysts; environmental factors: pollution of food, such as pesticides or hormones contained in vegetables, fruits, meat and other foods, may also lead to ovarian cysts. In short, there are many causes of ovarian cysts, so it is recommended to develop good habits to reduce the chances of getting sick.