After eating rice flour nausea, want to vomit performance, the main reason may be food allergy, indigestion, acute gastroenteritis, pregnancy and other factors, need to identify the cause of the treatment.1, food allergy: patients who are allergic to the binder in the rice flour or some other ingredients, after eating an abnormal immune response, which will lead to nausea, want to vomit symptoms, and some patients may be accompanied by generalized rash, itching. Patients can apply cetirizine hydrochloride, loratadine and other drugs to control the allergic reaction under the guidance of the doctor; 2, dyspepsia: patients stimulated by the cold or eating rice flour is too spicy and stimulating, may lead to gastrointestinal dysfunction, resulting in decreased digestive function, the accumulation of food in the stomach, nausea, vomiting and other symptoms may occur, the patient can comply with the instructions of the use of domperidone, cisapride and other drugs to promote gastrointestinal tract peristalsis 3.Acute gastroenteritis: It is common in the case of unclean diet, after eating contaminated food, the bacterial infection causes inflammation of the gastric mucosa, which triggers acute gastroenteritis, affecting the digestive function of the gastrointestinal tract, and abdominal pain, diarrhea, nausea, and vomiting may occur. Domperidone, Mosapride can be applied to promote gastric motility, Omeprazole, Ranitidine to inhibit gastric acid, vomiting symptoms can be applied to metoclopramide to stop vomiting, low immunity of the population can be prescribed by the doctor to apply norfloxacin anti-infective treatment; 4, pregnancy: if women of childbearing age and have a normal sex life, it may be the early pregnancy reaction caused by pregnancy, manifested as nausea, vomiting, etc., can be applied to the pregnancy test paper, or blood draw to check the HCG value, B ultrasound. Pregnancy: If you are a woman of childbearing age and have normal sexual life, it may be pregnancy causing early pregnancy reaction, manifesting as nausea and vomiting, which can be clarified by applying early pregnancy test paper, or blood sampling to check the HCG value, ultrasound examination, etc. 5.