There are many reasons for white bumps at the root of the tongue, such as physiological phenomenon, salivary gland cysts, pathologic lymphoid follicles and so on. 1. Physiological phenomenon: the root of the tongue itself exists contour papillae, belonging to the root of the tongue physiological anatomical tissues, which can cause white bumps on the root of the tongue phenomenon, is a normal phenomenon. 2. Salivary gland cysts: Salivary gland duct damage, mucus exposure, duct system obstruction and other factors, can lead to salivary gland cysts, so it will show the root of the tongue with white bumps. 3. Pathological lymphoid follicles: pharyngitis, tonsillitis can lead to lymphoid follicle hyperplasia, which can lead to the phenomenon of white bumps on the root of the tongue, usually due to inflammatory stimulation. There are many reasons for the white bumps on the root of the tongue, and after the symptoms appear, it is recommended to consult a doctor in time, give standardized treatment after a clear diagnosis, and not to ignore the symptoms and take them lightly.