Infant’s throat huffing and puffing may be related to posture, laryngeal cartilage dysplasia, respiratory diseases and other reasons. 1. Posture: If the baby sleeps on his back, the tongue root tends to fall backward, narrowing the throat cavity and causing the baby to experience throat huffing and puffing. 2. Laryngeal cartilage dysplasia: If the baby’s laryngeal cartilage is not well developed, it may affect the gas to enter the trachea and make a huffing and puffing sound. 3. Respiratory diseases: such as pneumonia, there may be an increase in laryngeal secretions, which may lead to a whimpering sound when breathing. Parents are advised to take their babies to the hospital in time to clarify the cause, and if treatment is needed, standardized treatment should be carried out under the guidance of the doctor.