Lianhua Qingdian capsule has a certain effect on dry and sore throat caused by influenza viral infection, and the therapeutic effect on other causes of dry cough remains to be seen. The common diseases that cause dry, itchy throat and dry cough include acute and chronic pharyngitis, reflux pharyngitis, allergic pharyngitis, upper respiratory tract infections and other causes. Symptoms of dry, itchy throat and dry cough, can be directed to the cause of treatment, if the cough is intense, you can take appropriate cough suppressants such as loquat lozenges, etc., to prevent damage to the lungs. Lianhua Qingdian capsule is a kind of Chinese patent medicine, its main ingredients include forsythia, roasted ephedra, honeysuckle, fried menthol and other traditional Chinese medicine ingredients. The indications of Lianhua Qingdian Capsule are for the treatment of influenza belonging to the evidence of heat and poison attacking the lungs, and it has a better effect on the symptoms of fever or high fever, muscle aches and pains, malignant cold, nasal congestion and runny nose, dry throat and sore throat, and cough with phlegm, etc. Therefore, its treatment of cough with yellow phlegm has a better effect on the symptoms of flu. Therefore, it has better effect on the symptoms of cough with yellow phlegm, and its therapeutic effect on dry cough is not certain. The adverse reactions and contraindications of Lianhua Qingdian capsule are not clear, the drug should be standardized and rationally applied in accordance with medical advice.