The main symptoms of infant allergy to rice flour are as follows: 1. After eating rice flour allergy, the child may have abdominal bloating or severe diarrhea, but the bloating and diarrhea will resolve on their own after stopping feeding rice flour. Alleviation is considered to be related to rice flour feeding. 2. Common allergic reactions after babies eat rice noodles include skin urticaria, obvious skin itching symptoms after eating rice noodles, or obvious skin urticaria. At this time, rice flour feeding should be stopped, and if necessary, oral desensitization drugs, such as loratadine or desloratadine, should be combined for desensitization treatment before the child's symptoms can improve. 3. If an allergic reaction occurs, there will also be an airway reaction. In the case of an allergic reaction in the airway, the child will have symptoms of coughing and shortness of breath after eating rice noodles, and the feeding of rice noodles needs to be stopped. Symptoms of coughing and shortness of breath in children with mild symptoms can disappear on their own. In severe cases, in addition to oral desensitization drugs, aerosol inhalation and cough and asthma drugs must be used for simultaneous treatment.