Tiannanxing belongs to the warming cold phlegm medicine, raw use is toxic, so such as internal use, generally after the concoction before taking. The original name of Tiannanxing tiger palm, according to the “Compendium of Materia Medica” record: “Tiannanxing is the herb tiger palm also, the small name by the trek. Ancient recipes more with the tiger palm, not to say that the sky south star. South star nearly out of the Tang people in the wind phlegm poisoning formula with the, is adopted by later people, the establishment of this name. Tiger palm because of the leaf shape like it, not the root. South Star because the root round white, shaped like the old man star, so the name South Star, that is, the tiger palm also.” It is said that Li Shizhen wrote the “Compendium of Materia Medica”, a “treasure trove of traditional Chinese medicine”, also with the “tiger’s paw” this medicine related! One evening, Li Shizhen was just about to take a rest after a day of consultation, when the neighboring village of Huge Da hurriedly came to ask him to save his wife’s life. Li Shizhen forgot his fatigue, picked up his medicine box and went to Pang’s house. It turned out that Pang’s wife felt sick the morning before, looking for a doctor prescribed medicine. Which want to take the medicine, but drowsy lying in bed unconscious. Li Shizhen carefully examined the prescription, think there is nothing wrong. He also asked the huge big fetch the medicine jar, a taste of check. He suddenly found a problem, the dregs of a “tiger palm” prescription is not; and the prescription on the “leaky basket” dregs of medicine is not. The tiger palm is very poisonous, there must be a reflection if you take it. Heard that the pharmacy dispensed the wrong medicine, huge big gas is not a place to go to the pharmacy owner to settle accounts. Li Shizhen a pull him, persuaded: “the responsibility for this matter can not be blamed on the pharmacy boss. There is a book of “Sun Hua Ben Cao” said ‘leaky basket aka tiger palm’, the pharmacy owner probably based on this grasp of the drug.” With that, he wrote another prescription. The danger was lifted for the patient. After returning home, Li Shizhen could not calm down for a long time. He had read many books on drugs and found many times that there were mistakes in the records, and had heard of doctors or pharmacies who had lost lives because of mistakes in the books. That night, he tossed and turned and could not sleep, thinking that the old “Materia Medica” had not been repaired for hundreds of years, and if it continued, there would be many more tragic incidents. So, he set up a volunteer: to revise the old “Materia Medica”, to correct certain errors in medicines, varieties and origins handed down from ancient times, and to supplement the existing essence of folklore for the benefit of future generations. Source: The tuber of Tiannanxing, Northeast Tiannanxing or Heterophyllous Tiannanxing, etc. Origin: Mainly produced in Sichuan, Henan, Guizhou, Yunnan, Guangxi and other places. Taste: bitter, pungent, warm. Poisonous. Enters the lung, liver and spleen meridians. Effects: Drying dampness and resolving phlegm, dispelling wind and relieving spasm. Usage and dosage: 3-9 grams, decoction; for external use generally raw, in moderation. Note: Tiannanxing is poisonous when used raw, and must be concocted before it can be taken internally, the concoction method is the same as that of Semen. TIANNANXING’s consumption The Compendium of Materia Medica: Tiger Palm, TIANNANXING, is the medicine of the spleen and lung of Taiyin of the hand and foot, with a pungent and numb taste. Therefore, it can cure wind and disperse blood; it is warm and dry, so it can overcome dampness and remove saliva; it is tight and poisonous, so it can attack accumulation and remove swelling and cure mouth and tongue. Therefore, Tiannanxing can treat: 1, damp phlegm and cold phlegm. It has a strong function of drying dampness and resolving phlegm. It is often used in combination with Radix Panax notoginseng. 2, wind-phlegm vertigo, epilepsy, stroke and tetanus, silence and straightening of the mouth, etc. To treat wind-phlegm vertigo, it is used in combination with Radix Panax notoginseng and Tien Hsia. In addition, another herbal medicine “Bile Nanxing” is Tiannanxing, which has been concocted with bile juice, the dryness has been reduced and the taste has become bitter and cool. It can resolve phlegm and calm the wind and calm the fright, and is suitable for phlegm-heat convulsions and other symptoms.