Pregnant women can not eat the old nausea and vomiting can be relieved through dietary modification, appropriate exercise, medication and other ways. 1. Dietary regulation: if a pregnant woman can not eat a meal is always nausea and vomiting, can be 2 to 3 hours to eat once, do not eat too much each time, try to eat a light diet, avoid greasy, spicy, stimulating food, can relieve the symptoms. 2. Appropriate exercise: when pregnant women can not eat old nausea and vomiting, you can promote the normal peristalsis of the digestive tract through appropriate exercise, such as walking, to enhance physical fitness, relieve pregnancy vomiting. 3. medication: if the vomiting is intense and has been unable to eat, may cause electrolyte disorders, can take vitamin B6 tablets and other drugs under the guidance of the doctor, can effectively relieve pregnancy vomiting, reduce the discomfort of pregnancy vomiting. Pregnant women can not eat old nausea and vomiting, should go to the hospital obstetrics in a timely manner.