Pregnancy vomiting in the afternoon every day is a normal early pregnancy reaction, after pregnancy increased secretion of progesterone and estrogen in the body easily stimulate the gastrointestinal tract, will affect the gastrointestinal peristalsis leading to indigestion, nausea, vomiting. Often vomiting in the afternoon because after vomiting several times leads to too much mental tension, it will cause this symptom to appear at the same time. In addition, eating more food at noon, eating hard, indigestible food can cause indigestion, and lying in bed without exercise after eating, causing food to gather in the gastrointestinal tract discomfort, which can also cause pregnancy vomiting. If vomiting is serious, you need to take vitamin B6 to stop vomiting under the guidance of a doctor in a reasonable manner. It is recommended to eat less and more meals, eat more vegetables and fruits, and take reasonable vitamins to help relieve pregnancy vomiting and have regular ultrasound examinations to see the development of the fetus.