Windex cannot cure pharyngitis, and patients should not blindly use medication to treat it. Windex is a kind of Chinese medicine made of menthol, camphor, eucalyptus oil, etc. It has the effects of cooling, analgesic, wind repellent and itching. Clinically, essential oil is often used to treat pain symptoms caused by colds and flu, mosquito bites, motion sickness, etc. It also has a certain therapeutic effect. However, for pharyngitis, the use of essential oil does not usually achieve the therapeutic purpose. At present, the contraindications, adverse reactions of the essence of wind oil is not clear, but pregnant women, children under three years old, allergic individuals should be used with caution. For localized skin breakage, drug component allergy, then prohibited the use of wind oil essence. When applied externally, be careful not to accidentally put the drug into the eyes, and stop using it in time if it is accompanied by itchy skin after application. Pharyngitis is divided into different types, with different causes, and requires a clear diagnosis and targeted treatment. Patients with pharyngitis are advised to go to the hospital in time and follow the doctor’s instructions for treatment.