Vomiting, regurgitation and dry heaving may be caused by improper diet, gastroenteritis, pregnancy reaction and other factors, it is recommended to go to the hospital for examination, and then according to the doctor’s guidance and recommendations for treatment. 1. Improper diet: Improper diet leads to vomiting, regurgitation and dry heaving, which is mainly caused by eating irritating food or unclean diet, resulting in the stomach being stimulated by bacteria and viruses, thus causing some symptoms. 2. Gastroenteritis: generally caused by bacterial or viral infections or dietary overstimulation, which can lead to nausea and vomiting. There are also some nausea and vomiting. You can use levofloxacin anti-inflammatory, metoclopramide antiemetic and other drugs under the guidance of the doctor for treatment. 3. Pregnancy reaction: Because of the increase in hormone secretion in the body after pregnancy, it is easy to cause nausea and vomiting; in addition, during pregnancy, the pregnant woman’s body will secrete a large amount of luteinizing hormone to stabilize the uterus and reduce the contraction of the uterine smooth muscle, but at the same time it will also affect the peristaltic movement of the smooth muscle of the gastrointestinal tract, resulting in indigestion and regurgitation, vomiting of acidic water and other phenomena. The causes of vomiting, regurgitation and dry heaving include peptic ulcer, reflux esophagitis, intestinal obstruction, gastrointestinal tract tumors, and drug or food poisoning, etc. If the condition persists, it is recommended to consult a doctor in time to clarify the cause of the condition and then treat it actively so as not to delay the condition. At the same time, diet should also pay attention to, to give warm, soft, light, easy to digest food, avoid spicy, cold and other food stimulation, avoid overeating, to eat small meals, and regular work and rest, to promote the recovery of the disease.