If the pregnancy vomiting is particularly severe, fluids must be given. Pregnancy vomiting is so strong that sometimes everything you eat will be vomited out, and even drink a little water, the stomach can not hold it and vomit out. When this happens, pregnant women can easily cause low blood sodium, low blood potassium, acid-base imbalance, electrolyte disorders. Once this situation occurs, it is necessary to go to the hospital in time for rehydration treatment and infusion, in order to prevent their own low blood sodium, low blood potassium, acid-base imbalance. The pregnant woman’s own life appears to be in a more dangerous state, so the pregnant woman’s vomiting is very serious, must go to the hospital for infusion to change this body dehydration, acid-base imbalance, electrolyte disorders.