Children’s phlegm cough medicine more, mainly oral medication and nebulized medication, etc.. It is recommended to use medication under the guidance of a doctor, and the medication used in different cases is also different, the specific situation is analyzed as follows: 1. Oral medication: If the children cough obviously, accompanied by phlegm, you can under the guidance of the doctor oral bromhexine and lung cough and other drugs for treatment. Bromhexine is mainly used for chronic bronchitis, asthma and other causes of mucus sputum is not easy to cough out patients. Lung Li Cough Compound is a proprietary Chinese medicine preparation, which has the effect of clearing heat and removing toxins, suppressing cough and expectorant. It is used for cough with yellow phlegm caused by phlegm-heat in the lungs, bronchial asthma, bronchitis with the above symptoms. 2. Nebulized medicine: For children who do not like to take medicine or have difficulty in feeding medicine, nebulized medicine can be chosen. Commonly used drugs include Ambroxol, acetylcysteine and so on. Among them, Ambroxol is suitable for acute and chronic lung diseases accompanied by abnormal sputum secretion and poor sputum evacuation function. Acetylcysteine is mainly used to treat respiratory diseases with excessive thick mucus secretion, such as acute bronchitis. Children coughing up sputum should consult the doctor in time, clarify the cause of the disease, and follow the doctor’s instructions to standardize the use of medication.