White material on the tonsils can be caused by physiological reasons, but it can also be caused by acute purulent tonsillitis or tonsil stones. 1. Physiological reasons: it may be due to not rinsing the mouth after eating, there will be food debris left on the tonsils, which may make the tonsils have white material. 2. Acute purulent tonsillitis: acute purulent inflammation of the tonsils due to bacterial infection, usually due to infection by beta-hemolytic streptococcus, enlarged tonsils, yellowish-white pus spots on the surface; yellowish-white or grayish-white exudate from the crypts, which is tofu-like. 3. Tonsil stones: various reasons lead to increased tonsil secretion, resulting in tonsil crypt mouth obstruction, secretion drainage is not smooth, crypt depths of decayed food debris, shed epithelium, colonies and other foreign objects can not be discharged in a timely manner, wrapped in secretion, sediment long-term accumulation, calcification and hardening, the formation of fine, white, hard particles, the formation of white material on the tonsils. When you find white material on the tonsils, first gargle, if still exist, or accompanied by uncomfortable symptoms, it is recommended that patients go to the hospital in a timely manner, clear cause of the disease under the guidance of the doctor to give targeted treatment and cure. Usually pay attention to light diet, maintain oral hygiene.