Symptoms of rice flour allergy in infants mainly include red spots and wind clouds on the skin, oropharyngeal edema, and coughing. 1. Skin symptoms: mainly manifested as symptoms of acute urticaria and angioedema, etc., which may lead to the appearance of erythema and windmills on the skin and accompanied by itching symptoms. 2. Oropharyngeal symptoms: itchy lips, tongue, pharynx and other parts of the body, some of which show mild swelling. 3. Respiratory symptoms: some infants will have respiratory symptoms, mainly itchy nose, nasal congestion, runny nose, sneezing, coughing, asthma, and severe respiratory difficulties. 4. Gastrointestinal symptoms: mainly nausea, vomiting, diarrhea, abdominal pain. 5. Systemic symptoms: If the allergy is particularly severe, there will be systemic allergic reactions, such as low blood pressure, cardiac arrhythmia or death. Infants suspected of being allergic after eating rice flour should seek medical attention as soon as possible and be treated according to their condition to avoid danger.