Itchy throat and cough are considered to be caused by allergic pharyngitis, chronic pharyngitis, gastroesophageal reflux disease and other diseases, which need to be standardized for the cause and symptoms of the treatment, such as taking codeine, dextromethorphan, loratadine, iodine tablets, ranitidine, omeprazole, domperidone and other drugs. No special dietary requirements, balanced nutrition, avoid spicy stimulation and allergies can be. 1. Allergic pharyngitis: patients need to follow the doctor’s instructions to apply codeine, dextromethorphan, pentoxyverine and other cough suppressants, as well as loratadine, cetirizine and other antihistamines. 2. Chronic pharyngitis: patients need to follow the doctor’s instructions to apply iodine throat tablets, ciprofloxacinium chloride tablets, such as containing, as well as compound borax gargle, furacilin gargle liquid gargle, and so on. 3. Gastroesophageal reflux disease: patients need to follow the doctor’s instructions to apply ranitidine, famotidine and other H2 receptor antagonists, as well as omeprazole, lansoprazole and other proton pump inhibitors, as well as doxepinone, moxapride and other gastrointestinal dynamics treatment. Patients need to go to the hospital, complete the relevant examination, clarify the specific cause, and follow the doctor’s instructions for medication and treatment. Usually, there is no special dietary requirements, balanced nutrition, and less spicy and stimulating food.