High chorionic gonadotropin is mostly considered to be caused by pregnancy, and nausea, vomiting, drowsiness and other symptoms may occur. Elevated chorionic gonadotropin is mostly a sign of conception. After pregnancy, hormone levels increase and early pregnancy reaction will gradually worsen, at which time the patient may experience nausea, vomiting, fatigue, drowsiness and other symptoms. In early pregnancy, folic acid supplementation is recommended, which can play a role in preventing fetal neural tube malformation. In addition, as the time of conception increases, chorionic gonadotropin levels will also appear to gradually increase, or even double, etc. Pay attention to regular routine pregnancy tests. It is important to note that high chorionic gonadotropin levels can also be caused by ectopic pregnancy, hyperemesis gravidarum and other abnormalities, and nausea, vomiting, drowsiness and other symptoms may occur. Therefore, when high chorionic gonadotropin occurs, it is recommended to consult a doctor in time, complete the relevant examinations, clarify the cause of the disease under the guidance of a professional doctor, and deal with it positively.