There is no such thing as “what is the best thing to eat for children with cough and phlegm”. Food has no role in treating cough and phlegm, and should be analyzed in conjunction with the cause of the disease. If it is pneumonia, rhinitis sinusitis and other bacterial infections caused by coughing, you need to use amoxicillin and other antibiotic treatment; if it is allergic asthma and other causes of coughing, you need to use antisens, glucocorticoids and other drugs. 1. Pneumonia, rhinitis sinusitis: pneumonia usually has fever, cough, cough and other symptoms, rhinitis sinusitis will have postnasal drip, will feel phlegm. Bacterial infections require amoxicillin to fight infection. Coughing and coughing up phlegm is the body’s normal way of expelling germs, it is not recommended to give your child cough suppressants, you can relieve your throat discomfort by taking honey or hot pear soup on a daily basis 2. Bronchial asthma: bronchial asthma is typically characterized by coughing, wheezing, and can have mucus sputum. You can use asthma medication to treat the primary disease, or glucocorticoid nebulization, such as budesonide nebulizer solution, etc., while combining with aminoglutethimide to resolve phlegm. Children coughing with phlegm may also have other causes, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy. All of the above medications should be used under the guidance of a doctor, avoid self-medication.