Dry and sore throat can be caused by physiological factors, acute pharyngitis, reflux pharyngitis; general treatment and medication can be taken to improve. 1. Physiological factors: Excessive use of the voice, eating spicy and stimulating food, etc. may lead to temporary dry and sore throat. Removing the triggers can improve the situation. 2. Acute pharyngitis: usually part of an acute upper respiratory tract infection, can be manifested as a dry and sore throat with a cough and runny nose. Mainly take symptomatic treatment, can use watermelon cream spray to improve the discomfort symptoms. 3. Reflux pharyngitis: caused by reflux esophagitis, the treatment is mainly taken to promote gastric power drugs such as domperidone and omeprazole and other acid-suppressing drugs used together. Dry and sore throat may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, give targeted treatment or treatment. All of the above medications should be used under the guidance of a doctor.