Suzi tea is a tea made from perilla seeds. Soursop has the effect of lowering qi and resolving phlegm, etc. Its side effects are not clear yet. However, the active ingredients in the water brewed by Perilla frutescens to drink as tea are limited, and it is difficult to achieve therapeutic efficacy. Perilla seed is a traditional Chinese medicine, also known as Su Zi, for the labiate perilla plant perilla dry mature fruit, has the effect of lowering qi and resolving phlegm, relieving cough and calming asthma (stop coughing, calming wheezing). It is used to treat cough, stagnation of qi (qi deficiency and stagnation), and intestinal dryness and constipation. Clinically, it is usually not used alone, usually need to be reasonable combination to achieve therapeutic effects, such as with the former Hu, half-summer, thick Park, cough and asthma, chest and diaphragm full of stuffiness; with the white mustard seed, Lai Chi Zi, used for the spleen is weak and not transported, coughing and asthma, phlegm, dietary intolerance; and with the flaxseed, almonds, constipation of intestinal dryness. The adverse reactions and contraindications of Perilla frutescens are still unclear. It should be noted that when used, it is contraindicated for prolonged coughing in qi deficiency; contraindicated for slippery stools in spleen deficiency. If you need to use drugs, you should use drugs under the guidance of a traditional Chinese medicine practitioner, do not buy your own medicine, so as to avoid delaying the condition of the medicine is not the right evidence.