Children often throat inflammation may be chronic pharyngitis, chronic tonsillitis, upper respiratory tract infections, as well as sinusitis and other causes. 1. Chronic pharyngitis: Chronic pharyngitis may be caused by recurrent episodes of acute pharyngitis, chronic inflammation of the upper respiratory tract, and gastroesophageal reflux. Patients will have symptoms such as sore throat, dry throat, foreign body sensation in the throat, dry cough, etc. If children have chronic inflammation, the throat area will be frequently inflamed. 2. Chronic tonsillitis: tonsils are also located in the throat area, and the cause of chronic tonsillitis is not clear, considering the recurrence of acute tonsil related. Patients will have breathing difficulties, snoring, bad breath, dry throat and other symptoms, if the child has chronic tonsillitis, it will be manifested as frequent inflammation of the throat. 3. Upper respiratory tract infection: Upper respiratory tract infection may be caused by viral infections such as parainfluenza virus and adenovirus. Patients will have cough, runny nose, sneezing and other nasal symptoms, some patients will also have a dry throat, itchy throat, burning sensation in the throat and other manifestations, some children have upper respiratory infections, but also inflammation of the throat. 4. other: small children often inflammation of the throat is also considered to be sinusitis and other diseases. It is recommended that children often throat inflammation, parents need to take the child to the doctor in a timely manner, the need for thorough treatment under the guidance of the doctor, to prevent recurrence of the disease.