The incidence of hyperemesis gravidarum is low, and most mothers can be relieved after 3-5 days through active hospitalization and symptomatic treatment. The symptoms of early pregnancy, such as dizziness, lethargy and food selection, are called early pregnancy reactions, which do not require special treatment and disappear naturally around the 12th week of pregnancy. However, severe pregnancy vomiting often refers to frequent vomiting, nausea, weight loss greater than 5% and loss of appetite, which requires hospitalization. By correcting electrolyte disturbances and feeding glucose or saline for energy, most patients show improvement in their symptoms after treatment and rest. In addition, patients need to improve their symptoms with dietary care, psychological guidance and family companionship. Combination of Chinese and Western medicine treatment can be given, and patients can usually be discharged with relief after 3-5 days of treatment. When pregnant women experience severe pregnancy vomiting, it is recommended to take multivitamins to alleviate the symptoms and try to maintain a relaxed mood and avoid mood swings, and serious cases need to be hospitalized.