Hemp plant cures rheumatism
Thorn tree also has the name Tru Ma, Tuyet Gai..., often grows in wet places, scientific name is Boehmeria nivea - thorn family (Urticaceae). Thorn tree can be up to 1.5m - 2m high, woody base.
The leaves grow alternately, have petioles, serrated edges, and have silvery white hairs on the underside. Male and female flowers are clustered together in double flowers, in the leaf axils. The fruit has a persistent calyx. People often pick the leaves to make gai leaf cakes, the bark is used for fibers, and the roots are used for medicine. They are harvested year-round, best in autumn and winter by slicing, drying, or drying.
According to Oriental medicine, the hemp plant has a sweet and bitter taste, cool properties, and enters the heart and kidney meridians; often used to treat urinary tract diseases such as: urinary retention, cloudy urine, bloody urine, and also used to stop bleeding and treat threatened miscarriage. The root is called Tru Ma Can, harvested in any season, but best in autumn and winter. Pick it, wash it off the dirt, dry it or dry it. The root has a bitter taste, slightly cold properties, enters the heart and kidney meridians. It has the effect of clearing heat, detoxifying, dispersing blood stasis, clearing urine, and stabilizing the fetus. Used in cases of solitary lesions, sores, painful urination, frequent urination, abdominal pain in pregnant women, bleeding, leukorrhea, and cervicitis. Dosage: 10 - 20g.

- Cure cough, asthma, phlegm: Cook 20g of thorn root and sugar until soft, eat 4-5 times a day. Eat continuously for 5-7 days.
- Treatment for pregnant women with bleeding and threatened miscarriage, pregnant women with abdominal pain: 4 parts fresh galangal root, 1 part perilla, 1 part mugwort leaves (each part 12g), boil with water to drink during the day.
- Treat uterine prolapse: Boil 30g of dried spiny root with 600ml of water, drink many times a day. Drink for 3-4 consecutive days.
- Treat painful urination, frequent urination, kidney stones: Spiny roots, plantain flowers and onions; boil in water to drink.
- Cure bloody stools and urine: Take 15 - 20g of ramie leaves, boil in water and drink during the day.
- Cure rheumatism and joint pain: 50g of nettle root (trù ma căn), soak in 1 liter of alcohol for 1 week. Then, drink 2 times a day, 10ml each time.
- Treat threatened miscarriage: Freshly picked or dried 30g of the root, boil with 600ml of water, reduce to 200ml, divide into 2 doses to drink during the day. Only drink for 1-2 days and it will be better.
- Treatment of hematuria due to urinary tract infection (mild form): Crush 10g of the root of the plant and mix with 500ml of water, squeeze to get 400ml of water and then reduce to 200ml, drink in the evening of the day. Drink for 5-7 days.
- Cure abdominal pain and miscarriage during pregnancy: 2 parts of spiny root, 2 parts of perilla branch (each part 4g), chopped, dried, boiled with 400ml of water, about 100ml left, drink all at once a day. If there is bleeding, add 10g of dragon blood leaves.
- Cure urinary retention: Use 2 handfuls of hemp roots, crushed. Boil 500ml of water until 200ml remains and drink twice a day. Or use hemp roots and young leaves, about 10 - 30g, boil to get water and divide into 3 times a day. Drink for 5 - 7 days.
- Cure numb hands and feet: 15 - 20g of hemp root, decoct and drink.
- Treat bleeding wounds: Wash fresh ramie leaves, crush them, apply to the wound, and bandage.
- Treat boils to reduce pus and swelling: Crush the roots of the spiny plant and the roots of the vông vang plant (equal parts) and apply to the boils. Apply for 1-2 days.
- Cure cloudy urine like rice water: 30g of spiny root, water spinach and Chinese smilax glabra (20g each), ginseng, mimosa pudica and Xanthium fruit (16g each). Boil with 1,000ml of water, reduce to 1/4 (250ml), divide into 2 doses to drink during the day.
- Treats hot body, fever, red and painful urination: 20g of thorny root, 20g of millstone leaves, 15g of feverfew, 10g of rehmannia root. Put all in 400ml of water, boil for 15 minutes, drink instead of tea during the day. Drink continuously for 7-10 days.
According to NNVN - TL