The efficacy of Perilla leaf foot soak is to dispel cold, move Qi and harmonize the stomach, as well as to suppress cough, calm asthma and expectorant. Clinically, perilla leaf foot soak can assist in the treatment of diseases, especially for the treatment of coldness in both lower limbs. Elderly people always have the abnormal sensation of coldness in both lower limbs due to vascular and nerve problems, which can be significantly relieved by soaking feet in perilla leaves. Perilla leaf also has the effect of invigorating blood, it can significantly improve the blood circulation of the feet for a long time, and at the same time can remove the abnormal feeling of numbness and swelling in the feet due to poor blood circulation. Perilla leaf foot soak for about half a month will manifest the effect of cough suppression, so that asthma patients can significantly improve, for patients with respiratory tract diseases is a very good way to assist in the treatment.