Symptoms of laryngeal chondrodysplasia in babies: First, there is a whirring sound. The typical symptom is that when breathing, there is a sound in the throat, appearing as a whirring sound. As the child’s age increases, some children will slowly subside, which is a manifestation of laryngeal cartilage dysplasia; second, the tissue collapses when inhaling. Due to laryngeal cartilage dysplasia, it is a bit laborious to breathe, and many children have a certain collapse of the neck area when inhaling; third, it is laborious to eat milk, which is also a manifestation of posterior cartilage dysplasia. Because the laryngeal cartilage dysplasia children have a certain impact on the swallowing movement, therefore, when the laryngeal cartilage dysplasia, when eating milk will naturally be quite laborious; fourth, breathing difficulties. Children with laryngeal chondrodysplasia will have difficulty breathing, especially when breathing, the sound is louder, which will increase the child’s pain, and then you need to be highly vigilant, you need to go to the hospital as early as possible for diagnosis and treatment.