Pharyngitis is usually a specific disease of the upper respiratory tract infection caused by viral infection, the main viruses are coxsackie, enterovirus, herpes virus caused, usually the case is transmitted by contact, respiratory tract. There are many causes of pharyngitis, which usually occurs in summer when the weather is hot and the air circulation is not good, which easily leads to the multiplication of indoor bacteria and viruses, which enter the body from the respiratory tract and cause pharyngitis. Patients with pharyngitis usually have high fever, irritability, anorexia, general malaise, and a few grayish-white herpes in the oral mucosa of the body. When patients develop pharyngitis, the treatment principle is symptomatic, usually using physical cooling methods to relieve the condition, and also pay more attention to the diet, mainly liquid diet, such as porridge, noodles, etc. The diet should be light, avoiding spicy stimulation, and to actively engage in physical exercise to increase the body’s resistance. It is easy to confuse pharyngitis and hand, foot and mouth disease, both are caused by intestinal viral infections, and the symptoms are very similar, so we should pay attention to the treatment to prevent the delay in treatment and aggravate the disease.