Infants with no boogers in the nose but huffing and puffing may be a case of nasal flapping, which is normally seen in infants with congenital laryngeal tenderness or the presence of nasal scabs that are not easily observable. Disease conditions are mainly considered as nasal malformations, common cold, nasal tumors, etc. I. Physiological factors 1. congenital laryngeal softening: some newborns will have congenital wheezing soon after birth, caused by the incomplete development of laryngeal cartilage, this condition is mostly self-healing with the growth and development of the infant; 2. nasal scabs: nasal secretions after adhering to the dirt due to drying resulting in crusting, if the infant’s nose is not easily found in the location, will appear due to the flow of gas when breathing, huffing and puffing situation. For this situation, parents can use cotton swabs dipped in warm water to gently wipe the nasal crusts adhering to the infant’s nasal cavity. Pathological factors 1, common cold: the common cold, mainly caused by viral infections, can also lead to nasal secretions and nasal redness, causing the infant to breathe with puffing and panting; parents can take the infant to the hospital, the doctor will determine whether the need for nebulization and other treatment measures; 2, nasal deformity: if the infant has congenital nasal deformity, because of the poor structure of the nose, causing breathing 3. Nasal tumor: Nasal malformation and tumor compression may lead to nasal blockage, resulting in the infant’s poor breathing and the infant’s puffing and puffing when breathing.