In the life of patients with sour throat, mainly consider the following aspects: First, patients may have digestive system diseases often acid reflux, sometimes the patient’s throat will appear sour symptoms. Second, the main consideration is that the patient has chronic laryngitis, the mucous membrane of the throat often has inflammatory exudate will feel sour. Thirdly, the main consideration is that the patient eats acidic food but does not actively rinse the mouth after eating, so there may be food residues left in the patient’s mouth. Regardless of which of the above conditions the patient should actively check and treat the patient symptomatically in order to improve the situation. Patients must pay attention to the protection of the throat in life to avoid discomfort.