If you have severe pregnancy reactions and vomiting in early pregnancy, it is advisable to go to the obstetrics and gynecology department of the hospital and take some vitamin B6 and other drugs under the guidance of the doctor to relieve the vomiting symptoms. If you cannot eat due to severe vomiting, you need to cooperate with the doctor to give electrolyte and energy infusion to avoid electrolyte disorder and dehydration due to severe vomiting, which will affect the health of mother and baby. It is recommended to eat less and more meals, eat light, easy to digest, acidic food with more vitamins, avoid eating food with more fat and avoid eating spicy, stimulating and cold food to avoid aggravating the gastrointestinal burden and affecting the digestive function.