It is also one of the blood-stimulating and menstruation-regulating herbs, commonly used in Huai Niu Knee and Chuan Niu Knee, which is one of the four famous Chinese herbs. In clinical practice, it is mostly used in gynecology to induce blood flow and regulate menstruation and to nourish the liver and kidneys. There is a distant legend about the origin of its name. The legendary story of hyssop is that a doctor from Henan province came to Anhui alone to sell medicine and practice medicine. He knew a herb that could strengthen the muscles and bones, and nourish the liver and kidneys, and he cured many people with it. The doctor thought to himself, “I’m getting old, I should pass this recipe to a good disciple with a good heart. But who is the one with a good heart?” So, he decided to try them out by taking turns to stay at their homes. First, he came to the first apprentice’s house. At first, the first apprentice thought he had saved a lot of savings and served him with great care. Later, finding that he only had a broken bag containing some worthless herbs, he became very cold to him and finally kicked him out. The second and third disciples treated him the same way. He got a little desperate. At that moment, the youngest apprentice knew about it. He came running to the master and said, “Come live in my house.” The master shook his head and said, “I don’t have a penny on me, can I eat your food for free?” The young apprentice said, “Master and apprentice are like father and son, the apprentice should provide for the master?” The master saw that he was sincere, and moved to the young apprentice’s home. After a short time, the master suddenly fell ill. Little apprentice all day at the bedside to serve, as filial as to the biological parents. The master looked at the eyes, secretly nodded. One day, he called the young apprentice to the front. Unpack the small package, said: “Here is a herb is a treasure, with it made of medicine, can strengthen the muscles and bones, liver and kidneys, the medicine to the disease. I’ll pass it on to you now!” Soon, the master died. The young disciple buried the master properly. Later, he became a famous doctor by relying on the secret recipe passed down by the master. The herb left by the master was very special in shape, with prongs on the stem, much like the knee of a cow. Therefore, the young apprentice gave it the name “hyssop”. Source: The root of the amaranth family Amaranthaceae; the root of the amaranth family Amaranthaceae includes the roots of Amaranthus capitata and the root of the Chinese hyssop. Origin: Huai Niu Knee is cultivated in large quantities in Wuzhi, Wenxian, Boai, Qingyang and Huixian in Henan Province and has a long history; Chuan Niu Knee is produced in Sichuan, Yunnan, Guizhou and other provinces. Taste: Bitter, sour, flat; belongs to the liver and kidney meridians. Effects: Invigorates blood circulation, tonifies the liver and kidney, strengthens the muscles and bones, induces water and laxative, and draws fire (blood) downward. Note for use 1. Contraindicated for pregnant women and those with excessive menstruation. 2. Contraindicated for those without stagnation and those with deficiency of Yin and blood. It is noted in the Compendium of Materia Medica: “For the treatment of prolonged malaria, cold and fever, blood in the urine, pain in the stem, dysentery, laryngeal paralysis, mouth sores, toothache, carbuncles and malignant sores, and wound fractures.” It is also written, “Niubizi is the medicine of the fructus yin and less yin. It is used raw to remove bad blood.” Therefore, the clinical applications of Niubizi are: 1, for irregular menstruation, menstrual flow, amenorrhea, postpartum stasis and abdominal pain due to blood stasis, often with safflower, peach kernel, angelica, etc. 2, bruises and pains, often with angelica, Chuan Dou, and sequestra. 3.Soreness of the waist and knees, impotence and weakness of the lower limbs. It is often used with Eucommia, Radix et Rhizoma, Bupleurum and other drugs. 4, gonorrhea, edema, urinary discomfort. Often combined with Angelica sinensis, Qomai, Tongcao, Slippery Rock, etc., such as Niubizi Tang. 5.Used for vomiting blood, epistaxis, toothache, sore mouth and tongue, and headache and vertigo. It is also used in obstructed labor, often in combination with Angelica sinensis, Chuan Dou, and Tortoise Plate, also for its function of inducing blood to flow downward. Note: The functions of Huai Niu Knee and Chuan Niu Knee are similar, but the former is known for tonifying the liver and kidney, while the latter is known for activating blood circulation and removing blood stasis.