The laryngeal wheeze is caused by the underdevelopment of the cartilage in the throat, which can easily lead to edema of the throat and subsequent difficulty in breathing. Cause 1: Congenital: Many babies are born with abnormal development of the laryngeal trachea during their maternal development, such as an oversized epiglottis or two cleft epiglottis, which can lead to laryngeal wheezing. Cause 2: Acquired: for example, trauma, birth injury or laryngeal edema caused by parents’ lack of attention during birth. These can be harmful to the child. This requires us to take active care of the child. Of course, parents do not have to worry a lot, is the later care more attention, for example, to prevent the emergence of colds and diarrhea, often give the child sunshine, and then avoid respiratory infections, with the growth of age, almost a year and a half to two years old, the child will be able to recover almost by themselves, during this period must pay attention to prevent colds and cold. Don’t be afraid of this disease, most children can recover as they grow older. During this period, increase the child’s resistance, and give the child timely calcium and vitamin D supplements to avoid the appearance of pneumonia and laryngitis. Each child has different symptoms, but it is important to find abnormalities and go to the hospital early.