Patients do not have a cold, but there is pain in the throat area, the specific reasons are as follows: 1, cold: can cause a sore throat. 2, infection: may be caused by the throat suffered from the invasion of bacteria, viruses, infection, acute inflammatory diseases of the throat. 3, chronic inflammation: the patient itself may also be due to a variety of factors to produce chronic inflammation, patients may usually have more talk with the voice or exposure to the polluted environment, too much smoking, drinking, eating, stimulating food and so on factors that can cause recurrent pain symptoms. or contact with the polluted environment, too much smoking, drinking, eating spicy, irritating food and other factors that can easily cause acute and chronic inflammation of the throat, causing repeated pain symptoms. If the patient’s pain is heavy and affects normal work, life and rest, further detailed examination is needed to clarify the specific location and degree of inflammation in the throat and take targeted treatment and improvement measures.