Perilla is used in medicine as perilla seeds, perilla stalks and perilla leaves, of which perilla seeds have the effect of resolving phlegm and relieving cough. Clinical perilla seeds and almonds, decoction can be boiled in water to remove phlegm and relieve cough. Perilla seed belongs to a kind of traditional Chinese medicine, taste pungent, warm, it has the effect of lowering qi and resolving phlegm, relieving cough and asthma, laxative effect; mainly used for the treatment of phlegm congestion and gas reversal (wheezing and gas reversal), coughing and asthma, intestinal dryness and constipation. Clinically, it is often combined with almonds, boiled in water and taken internally to dissolve phlegm and relieve cough. Adverse effects of Perilla frutescens are currently uncertain; it is not to be used with carp, and should be used with caution in patients with yin deficiency, qi deficiency, and wen disease (a general term for a variety of exogenous acute fevers); it is important to note that cold, raw, and stimulating foods are to be avoided when using the drug. If you need to use drugs, should be by a Chinese medicine practitioner under the guidance of the identification of drugs, not to buy their own medicine to avoid the delay of the drug is not the right evidence.