A small white lump inside the throat may be caused by acute purulent tonsillitis, chronic crypt tonsillitis, tonsil stones and other causes. 1. Acute purulent tonsillitis: acute purulent tonsillitis, the inflammation site will secrete pus, when purulent secretions attached to the surface of the tonsils or in the crypts of the accumulation of pus will appear white or yellow pus spots, may also be aggregated into the shape of a pimple. So the white bumps in the throat may be caused by acute suppurative tonsillitis. 2. Chronic crypt tonsillitis: the patient’s throat will have an obvious foreign body sensation, most often accompanied by bad breath, the patient’s crypt will be easy to ooze out of the inflammatory secretion, usually white or yellowish-white, may be on the surface of the tonsils or the throat area showing small white bumps or white patches. 3. Tonsil stones: food debris or shed epithelial tissue in the tonsil crypts of the accumulation of tonsil stones can easily lead to tonsil stones, some of the location of the shallow tonsil stones, the patient can be seen in the mirror, similar to the flesh underneath a small white bumps. Therefore, the small white bumps growing inside the throat may also be tonsil stones. A small white lump growing inside the throat, if the patient has obvious sore throat or cough, it is recommended that the patient go to the hospital stomatology department in a timely manner, so as not to delay the condition.