Baby snoring like phlegm can be seen in physiological phenomena, pathological conditions (such as respiratory tract infections), according to the baby’s specific situation to determine the analysis. 1. physiological phenomenon: such as morning baby can appear the above phenomenon, through coughing the respiratory tract endocrine discharge, the above phenomenon can disappear, such babies are generally in good condition, there is no obvious abnormal discomfort (such as fever, frequent coughing, etc.), belongs to the normal physiological phenomenon. 2. pathological conditions: in respiratory infections, such as acute bronchitis, bronchopneumonia, mostly caused by viruses (such as respiratory syncytial virus), bacteria (such as Streptococcus pneumoniae) or Mycoplasma pneumoniae and other pathogens infections, the above phenomenon can occur, accompanied by coughing, wheezing or fever and other symptoms. Baby snoring like phlegm may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.