The first possibility is that the patient did not rinse his mouth after eating and had food residue left in his throat. The second condition is considered to be inflammation of the tonsils, with pus formation on the surface. Patients often have more obvious pain, and active anti-inflammatory treatment is generally recommended. Another condition is the formation of ulcers in the mouth and white pseudomembranes inside the throat. Ulcers are often caused by vitamin deficiency in the patient’s body, so in terms of treatment, active vitamin supplementation is needed to promote the healing of the mucous membrane of mouth ulcers. In life, or should strengthen the mouth rinse, pay attention to oral hygiene. Usually you should exercise more to avoid frequent and repeated inflammation of the tonsils, try not to be picky about food, and take more vitamins. After active treatment, the situation of white stuff inside the patient’s throat should improve, if it still does not improve need to go to the hospital for detailed examination.