Dry cough with sore throat is mainly caused by fire, which will cause congestion and edema of local mucous membrane, which will cause pain and also tend to stimulate the mucous membrane of the throat area, causing coughing symptoms, most of which are mainly dry cough. You can take oral medications to clear heat and remove fire, such as Shuang Huang Lian Oral Liquid, Jin Yin Hua Granules, and Pu Di Lan Anti-inflammatory Granules, etc. If the cough is more serious, you can also use drugs such as Compound Licorice Combination and Dextromethorphan Granules. If the above-mentioned drugs are not very good, you can also go to the hospital for routine blood tests, and if the white blood cells are elevated, you should also consider using antibacterial drugs to treat the disease.