Sore throat after quitting smoking is due to the damage of the mucous membrane of the pharynx caused by long-term smoking, and may also be caused by pharyngeal infection, it is recommended to drink more water and go to the hospital in time. The symptoms of sore throat after quitting smoking are, in most cases, due to long-term smoking. Long-term smoking causes damage to the mucous membrane of the throat, so the throat pain after quitting smoking. There is also a possibility that the sore throat is caused by throat infections, such as acute pharyngitis, acute laryngitis and other infectious diseases of the upper respiratory tract, which are not related to smoking cessation. If the symptoms of sore throat fail to improve or even gradually worsen, you need to consult a regular hospital in a timely manner, and cooperate with the doctor to improve the examination and standardized treatment.