The specific manifestations of ovarian hyperstimulation syndrome are as follows: 1. there will be little urination. 2. there will be lower abdominal distention and pain. 3. there will be a large amount of ascites. Most commonly, ovulation treatment has been given, for example, the vast majority of reproductive technologies currently used have to undergo ovulation treatment, which can lead to ovarian hyperstimulation and corresponding symptoms. If the symptoms of ovarian hyperstimulation are mild, they often do not need to be treated and most of them will return to normal after rest. In the case of moderate and severe ovarian hyperstimulation syndrome, appropriate treatment is required to improve the symptoms.