Throat always have a foreign body sensation may be chronic tonsillitis, chronic pharyngitis, reflux pharyngitis and other diseases caused by. 1. Throat always have a foreign body sensation may be caused by chronic tonsillitis, is due to repeated attacks of tonsillitis, pathogens in the tonsil infection caused by the palatine tonsils are enlarged or irritation of the nerves feel uncomfortable, there will be a cough, throat always have a foreign body sensation, dry and itchy throat and other symptoms. 2. Throat always have foreign body sensation may be caused by chronic laryngitis, is due to the pharynx and throat mucosa, lymphatic tissue of chronic inflammation, there will be a dry and itchy throat, throat always have a foreign body sensation, burning sensation and other symptoms. 3. The reflux of stomach contents into the throat can cause swelling of the mucous membrane of the throat and increased secretion, resulting in a foreign body sensation in the throat. It is recommended to go to the hospital to find out the cause of the disease and carry out standardized treatment under the guidance of the doctor.