The main effects of Su Zi include lowering qi, resolving phlegm, relieving cough and calming asthma (stopping cough and calming wheezing), and is suitable for the treatment of phlegm congestion, cough and asthma, and intestinal dryness and constipation. The specific use of medication to follow the doctor’s instructions. Su Zi refers to perilla seeds, which is a traditional Chinese medicine made from the dried mature fruits of perilla and wild perilla of the genus Perilla of the family Labiatae, with pungent flavor, warm nature, and attributed to the lung and large intestine meridians. Perilla seed should be contraindicated in patients identified with lung deficiency cough and asthma, and spleen deficiency loose stool (thin and unformed feces). There are no known adverse effects of the drug. The specific use of Perilla frutescens should be under the guidance of a healthcare professional and should not be used without authorization.