Regurgitation and vomiting after eating greasy food cannot be ruled out as early pregnancy reaction in female patients, so it is necessary to perfect urine and blood tests for chorionic gonadotropin to further exclude the diagnosis. It is also possible that the symptoms of nausea and vomiting may be caused by gastrointestinal symptoms causing other diseases, such as intracranial hypertension, hypertension, cerebral infarction, cervical spondylosis, etc. Symptoms of nausea and vomiting may also occur, and relevant tests should be performed. It may also be the occurrence of gastritis due to improper diet, causing nausea and vomiting symptoms. The following measures can be taken to get fresh air outdoors in time and not to stay too long in unventilated places to avoid nausea and vomiting. You can also drink warm water, yogurt, vinegar and other foods that taste good, thus effectively relieving the greasy feeling brought by food. You can also induce vomiting with your fingers in order to spit out the food, and the symptoms will be much reduced.