White stuff on the back wall of the throat is usually considered to be lymphoid follicular hyperplasia on the back wall of the pharynx. Normal posterior pharyngeal wall has lymphoid follicles, when affected by colds, rhinitis, bronchitis, pharyngitis, pharyngolaryngitis and other diseases, the posterior pharyngeal wall lymphoid follicles will proliferate and become enlarged and white. If there are no clinical symptoms, the disease can be treated without treatment. Pay attention to the dietary habits in daily life, such as avoiding spicy and stimulating food, avoiding alcohol and smoking, and not staying up late. If there are clinical symptoms, it is necessary to combine with medication, such as oral clearing heat and dispersing capsules or golden voice and throat pills, usually need more than two weeks of medication. If it is combined with acid reflux, it also needs to be treated with medication that inhibits stomach acid. At the same time, one should drink more water, talk less, contain lubricating medicines, avoid spicy and stimulating foods, prohibit smoking and drinking, exercise more, avoid colds, so as not to aggravate the proliferation of lymphoid follicles in the posterior pharyngeal wall.