2. In addition, some medicines for external use also contain borneol, which can promote the medicine to quickly penetrate the skin surface to reach the focus, which is beneficial to the display of medicinal components, and also has the effect of clearing away heat and toxic materials. Drugs for treating sore throat contain borneol, such as watermelon frost spray, and Chinese patent medicines for cardiovascular and cerebrovascular diseases also contain borneol, such as quick-acting jiuxin pills and Naoan dripping pills. The above scheme is for reference only. Please follow the drug instructions or use the medicine in a regular hospital according to the doctor's advice.