Pharyngitis can not eat sour things, because most of the inflammation of the throat is due to infection with bacteria, viruses, resulting in congestion and edema of the mucous membrane of the pharynx, which should be based on a light diet, eating sour things may stimulate the secretion of gastric acid, which will lead to reflux esophagitis or increased secretion in the throat area. Therefore, it is recommended not to eat sour or spicy when laryngitis, it is best to eat a light diet, drink more warm water, you can eat more fresh fruits and vegetables, supplement vitamin C, which is favorable for the recovery of the disease. Pharyngitis can be orally taken Pudilan oral solution, Blue Scutellaria oral solution, Qingkailing oral solution, etc., to clear heat and detoxification treatment. If the patient has dry throat and thirst, and has a long history of smoking, he can take Xuanmai Citrus Granules orally to nourish Yin and moisturize the throat.