Baby coughing throat with phlegm whistling, may be due to respiratory infections caused by bronchopneumonia or bronchitis, mainly to take antibiotic drugs, cough medication, nebulizer inhalation and other treatments. 1. Antibiotic drugs: bronchopneumonia or bronchitis, if it is caused by bacterial infection, you can take oral amoxicillin, cefprozil and other antibiotics, but pay attention to whether it is allergic to drugs. If it is caused by mycoplasma infection, you can take oral macrolide antibiotic drugs, such as roxithromycin, azithromycin. 2. Cough and phlegm medication: due to the phenomenon of babies coughing and having phlegm in the throat, you can orally take Ambroxol Oral Liquid and Pediatric Cough and Phlegm Syrup to relieve coughing and dilute phlegm. 3. Nebulized inhalation therapy: baby cough phlegm, can use budesonide or beclomethasone propionate and other drugs for nebulized inhalation therapy, can dilute phlegm, but also can relieve cough. There may be other reasons for your baby’s coughing and whistling, so parents are advised to bring their babies to the hospital in time and cooperate with the doctor to take treatment. All of the above drugs must be used under the guidance of a physician, avoid self-medication.