Vomiting in late pregnancy has little to do with fetal oxygen deficiency. Most vomiting in late pregnancy is due to improper diet or unclean diet causing acute gastritis is more likely. This time you can take pepsin combination to help digestion, you can use hot water bags or hot towels to warm the stomach to relieve stomach cramps. At the same time, you should also be alert to the vomiting caused by the fetus growing too fast and pressing on the stomach during late pregnancy, so you should eat less and eat more meals, and avoid spicy, stimulating and greasy food. If necessary, it is recommended to give fluids for energy and nutrition to prevent dehydration and electrolyte disorders.