Babies with a lot of phlegm, usually caused by respiratory tract infections, the application of antibiotics can quickly control the symptoms of coughing, in addition to this, you can also help your baby to expel phlegm by drinking more water, patting the back, etc. The fastest method should be reasonably selected according to the individual’s situation. Due to the weak resistance, babies are easily infected by various pathogens, which may then cause fever, cough, phlegm and other symptoms. If the infection is serious, you can use drugs for anti-infection treatment. If it is bacterial infection, it can be used such as cefixime, cefaclor and so on. In addition to the use of drugs, parents can also let the child drink more water, nebulizer treatment to make the sputum become thin, and daily back patting for the child to promote phlegm discharge. When the baby’s phlegm is expelled through a variety of methods, but the symptoms are still not relieved, you need to go to the hospital in time, active treatment. The above medications should be used under the guidance of a doctor.