The throat is hoarse after birth, and it is obvious when you listen to the cries that the voice is weak and not thick. Cause 1: Long-term crying of newborns can lead to hoarseness of the voice. Newborns cry with their vocal cords, and if they cry for a long time and cry very loudly, their vocal cords will become edematous, which is why their voices are hoarse. It is important to find ways to avoid the child crying. Reason 2: Newborns are born with low immunity, which can easily lead to viral or bacterial infections leading to colds, and then respiratory infections, followed by dry cough and fever, and serious throat inflammation and swelling, so crying is hoarse. This is the time to take the child to the doctor to avoid the appearance of pneumonia. Reason 3: The environment is too dry, the child will go from a water environment to a dry environment after birth, and then not feeding the child water for a long time or the sunlight inside the house is too strong, will lead to the appearance of hoarse voice. To feed the child water or place a humidifier. The child’s body is very fragile, parents should take good care of it and let the child slowly adapt to the environment. Each child has different symptoms, but it is still important to find abnormalities and go to the hospital early.