If a child is unable to cry, it is mainly due to the following reasons. First of all, it is caused by acute laryngitis, which can be caused by viral or bacterial infections. After acute laryngitis occurs, the voice will be hoarse and unable to cry, and there will also be respiratory difficulties, need to apply glucocorticoid nebulizer treatment. Secondly, due to the symptoms caused by children with respiratory obstruction, after the emergence of obvious respiratory obstruction, there will often be unable to cry, for example, the newborn with amniotic fluid obstruction, should be promptly cleaned up the respiratory tract, to relieve the respiratory obstruction.