Heavy breathing sounds in newborns may be related to physiological factors such as sleeping on their stomachs, high nasal secretions, and an underdeveloped airway. The abnormal development of the respiratory system in premature infants, as well as neonatal respiratory system-related diseases can also cause such symptoms, and it is recommended that the child seek medical attention in a timely manner. Common factors can generally be divided into the following: a. Physiological factors: the breathing of newborns after vocalization may be affected by factors such as obstruction of respiratory mucus, lack of elasticity of lung tissue, narrowing of the airway lumen, etc., resulting in shortness of breath, airway obstruction and other temporary respiratory difficulties, which can be manifested as coarse breathing sounds. In addition, excessive nasal secretions, sleeping on the stomach and other factors may cause such symptoms. When the secretions are removed and the position is adjusted, the symptoms can be relieved or eliminated. Pathological factors: It is recommended that the family take the child to the neonatology department or pediatric respiratory department for examination and treatment as prescribed by the doctor. 1. Premature birth: Premature babies often have shallow and fast irregular breathing due to imperfect development of the respiratory center, low gas exchange rate and incomplete development of respiratory muscles, which can easily develop into respiratory distress syndrome and lead to hypoxia, resulting in “huffing and puffing” and heavy breathing sounds. Parents are advised to take them to the hospital in a timely manner, if necessary, oxygen treatment; 2, cold: because of the poor immunity of newborns, the ability to resist infection is poor, so there may be a cold and other symptoms of upper respiratory tract infections, often accompanied by swollen tonsils, increased nasal secretions caused by nasal congestion, poor breathing. For mild cases, parents can use a small cotton swab to clean up nasal secretions after dropping a little saline and gently rub both sides of the nose. For heavy cases, the child appears obvious discomfort, it is recommended to seek medical treatment in a timely manner; 3, pneumonia: neonatal pneumonia may be related to aspiration pneumonia caused by amniotic fluid, feces, milk inhalation, and bacterial or viral infections caused during pregnancy, during the birth process, postpartum and many other time periods, manifesting as dyspnea with coarse breathing, as well as cyanosis, choking and coughing. It is recommended to promptly go to the hospital for examination to clarify the bacterial infection before taking antibacterial medication as prescribed by the doctor, and not to use the medication arbitrarily. If the child is not breathing well, oxygen is needed; 4. Laryngeal softening: congenital malformation is common, manifested as intermittent, low-pitched, inspiratory laryngeal wheezing, especially when inspiration is more obvious, so there is a “huffing and puffing” breathing sound. It is recommended to take calcium and vitamin D supplements as prescribed by the doctor, and for those with obvious breathing difficulties, tracheal intubation may be required to relieve the symptoms; 5. Adenoid hypertrophy: mostly related to rhinitis, which can block the nasal cavity and compress the eustachian tube, causing symptoms such as runny nose, nasal congestion and open-mouth breathing, making the child’s breathing sound coarse and “huffing and puffing”. In mild cases, saline can be used to flush the nasal cavity, and anti-infection treatment is actively carried out for those with infection. Surgical removal of the adenoids is a common treatment option, but it depends on the condition.