The role of perilla leaves is to treat wind-cold cold, cough and vomiting, vomiting in pregnancy, fish and crab poisoning. Perilla leaf is pungent and warm, can relieve the surface of the muscle (to remove the skin surface of the evil), sweating to relieve the surface of the body (through sweating way to relieve the surface of the evil) of the power of the more moderate, can be used alone in mild cases, serious cases must be used in combination with other dispersing wind-cold medicines. Because of its ability to dispel cold (remove the cold of the surface of the muscle), the inner can move the qi and broaden the center, so the wind-cold surface evidence with qi stagnation, the chest and epigastric fullness, more suitable. Perilla leaf flavor pungent can line, in order to broaden the middle in addition to distension, and stomach to stop vomiting, and also has a certain amount of qi and fetal function, can be used to treat stagnant qi in the middle of the chest and epigastric distension, nausea and vomiting. Cold, often with sand nuts and other warm stop vomiting (to warm the spleen and stomach method to treat the stomach cold caused by vomiting) medicine with; hot, often with Huanglian and other clear stomach vomiting medicine with. In addition, perilla leaves can solve the poison of fish and crab, eating fish and crab poisoning caused by abdominal pain and diarrhea, and can be detoxified. Perilla leaves should not be used indiscriminately, must be guided by a professional doctor.