Perilla leaves have the effect of dispersing cold and relieving symptoms, moving qi and harmonizing the stomach (by promoting the operation of qi to harmonize the stomach and internal organs) and detoxifying fish and crab. Perilla leaves are the leaves or young branches and leaves of Perilla and wild Perilla of the genus Perilla of the family Labiatae, which are pungent in flavor and warm in nature, and are attributed to the lung and spleen meridians. It is mainly used for the treatment of wind-cold symptoms, cough and phlegm, chest and epigastric distension and nausea and vomiting and many other diseases. Perilla leaves for eating fish and crab poisoning caused by abdominal pain and diarrhea, and can be neutralized and detoxification. Adverse effects of Perilla leaf are not clear at present. Patients with qi deficiency, yin deficiency and warm diseases should be cautious of using Perilla leaf, so as not to lead to depletion of qi and injury to yin, resulting in aggravation of the disease, which is not conducive to good health. Before taking Perilla leaf, you need to be identified by a traditional Chinese medicine practitioner and treated under the guidance of a doctor, you can not take the medicine on your own to avoid delay or aggravation of the condition, and if there is any discomfort during the use of the medicine, please consult a doctor in a timely manner.