What is the appropriate medicine for a child with a cough and phlegm that is not fixed. It is necessary to take general care and medication according to the cause of the disease. General care: children with cough and phlegm, if the symptoms are mild, you can general care, such as drinking warm water, light diet, do not eat spicy stimulating greasy food. Usually pay attention to keep warm, avoid cold, keep indoor ventilation. Medications: Cough with sputum may be related to upper respiratory tract infections, such as viral infections caused by the need to take oral antiviral treatment, the presence of bacterial infections need to be taken orally, such as cefixime antibiotic treatment, at the same time can be coupled with aminoglutethimide and other phlegm medication symptomatic treatment. Children coughing with phlegm may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. The above medicines should be taken under the guidance of a doctor, and should not be used on their own.