Repeated episodes of sinusitis in children may stimulate the adenoids leading to hypertrophy. Adenoid hypertrophy is a relatively common disease in children, if children suffer from acute and chronic rhinitis, pharyngitis, or because of sinusitis, recurrent episodes of upper respiratory tract infections, tonsillitis, etc., because of the local repeated inflammatory stimulation, easy to cause adenoid hyperplasia, hypertrophy. So when children’s sinusitis may stimulate the adenoids to cause hypertrophy. Adenoid hypertrophy in children can easily cause narrowing and blockage of the airway, resulting in open-mouth breathing, snoring and other symptoms, and in severe cases, sleep apnea syndrome can be caused, affecting the growth and development of children. Therefore, when children suffer from sinusitis need timely treatment, if the symptoms related to adenoid hypertrophy, you need to take your child to the hospital ENT department, follow the doctor’s instructions to give the appropriate intervention treatment and so on.