A lot of blisters on the tongue near the throat may be due to herpes pharyngitis, pharyngeal follicular hyperplasia, papillitis of the tongue and other causes. 1. Herpes pharyngitis is an upper respiratory tract infection, usually caused by enterovirus infection, the general symptoms include sore throat, herpes in the pharyngeal region, fever, cough and other symptoms. 2. Pharyngeal follicular hyperplasia is a kind of lymphatic tissue proliferation phenomenon, usually caused by inflammation for the throat, usually manifested as pharyngeal follicle hypertrophy, dry throat, slight pain and so on, so the above phenomenon may be due to pharyngeal follicular hyperplasia. Pharyngeal follicular hyperplasia is usually associated with chronic tonsillitis, chronic pharyngitis and other diseases, it is recommended to go to the hospital in time for diagnosis, according to the cause of the disease to take targeted treatment. 3. The papillitis of the tongue can be divided into lobular papillitis, bacterial papillitis and contour papillitis, papillitis of the tongue is usually caused by the lack of vitamin B2 or local irritation and other factors, its symptoms usually have local redness, swelling, congestion, pain, etc., and the tongue near the throat may appear blistering phenomenon. It is recommended that the patient actively consult a doctor for differential diagnosis and treatment under the guidance of a specialized physician.