The dried leaves, dried stems and dried fruits of Perilla frutescens, family Labiatae, have medicinal value, and the efficacy of each medicine is different. Perilla leaves have the effect of dispersing cold (removing cold from the surface of the muscles), Perilla stalks have the effect of regulating qi and broadening the middle (regulating the qi of the spleen and stomach), and Perilla seeds have the effect of lowering qi and resolving phlegm. Perilla leaves are the dried leaves of Perilla frutescens, family Labiatae. It is pungent in taste, warm in nature and belongs to the lung and spleen meridians. It has the efficacy of dispersing cold from the surface of the body, promoting qi circulation and harmonizing the stomach (regulating the stomach and internal organs by promoting the operation of qi), and is used in treating wind-cold and cold, coughing and vomiting, vomiting during pregnancy, and fish and crab poisoning. The adverse effects and contraindications of the drug are not clear. Perilla stalk is the dried stem of Perilla frutescens, family Labiatae. It is pungent in flavor, warm in nature, belonging to the lung and spleen meridians, with the efficacy of regulating qi and relaxing the middle, relieving pain and stabilizing the fetus, used for chest and diaphragm plagued, gastric and epigastric pain, belching (hiccups) and vomiting, and fetal restlessness. The adverse reactions and contraindications of the drug are not clear. Perilla seed is the dried mature fruit of Perilla frutescens. It is pungent in flavor, warm in nature and belongs to the lung meridian. It has the efficacy of lowering qi and resolving phlegm, relieving cough and asthma (stopping cough and calming wheezing), moistening the intestines and relaxing the bowels. It is indicated for phlegm congestion, cough and asthma, intestinal dryness and constipation. The adverse effects of this drug are not clear, and it should be used with caution in cases of loose stools (thin and unformed feces) due to spleen deficiency. If you need to use this medicine, it is recommended to use it under the guidance of a professional physician, not blindly self-medication.