The care measures for severe pregnancy vomiting are generally the following four points: avoid excessive mental tension, do not be anxious, relaxation of body and mind, comfort of the environment, care of the family, care of the husband; also pay attention to rest, do not overexert; diet should be small and frequent, supplemented with vitamin-rich food, fruits, vegetables, protein, milk tofu, milk, eggs these are small and frequent meals. Severe hospitalization, hospitalization is to prevent damage to liver and kidney function. In case of severe dehydration, fluid should be replenished, about 3000ml or more per day; potassium should be replenished according to the auxiliary examination; urine ketone body is acidosis, replenish sodium bicarbonate, vitamin C, B vitamins, vitamin B1, vitamin B6, and insulin application, which are clinically effective for severe pregnancy vomiting through rehydration. The above content is for reference only, please refer to the doctor’s consultation for specific medication and treatment.