Also known as snake bed nuts, wild carrot seed, snake bed solid.

Morphological features annual herb. Root conical elongated. Stem erect, 10-50 cm high, hollow, surface with longitudinal fine ribs. Leaves alternate, two to three times pinnatisect, the last lobe linear or linear-lanceolate, the edge and leaf veins rough, both surfaces glabrous. April to July flowering, flowers white, arranged in compound umbels at the top of branches or lateral; involucral bracts 6 to 10, linear, with fine eyelashes on the margin; involucral bracteoles numerous, linear, with fine eyelashes on the margin; calyx teeth inconspicuous; petals 5; stamens 5. June-October fruiting, fruit oblong, ca. 3 mm long, ca. 2 mm wide, 5-angled, fruit ribs winglike. Fruits are harvested in summer and fall when ripe, remove impurities, and dried in the sun.

Growing environment of northeast, north, northwest, east, central and south, southwest provinces and regions are produced. Born in grasslands, riverside wetlands, fields, roadsides, ditches, low hills.

Effective flavor taste pungent, bitter, warm, with a small poison. It dispels wind and dries dampness, warms the kidneys and strengthens the yang, and kills insects.

Selected first formula: 30 grams of snakebeds, 30 grams of Eucalyptus grandis leaves, 30 grams of Eucalyptus maquillardii leaves.

Use: Warm water to wash the affected area, wash once a night.

Treatment: scrotal eczema. The second formula: 100 grams of snakebeds, 60 grams of schizandra, 60 grams of andrographis paniculata, 30 grams of alum, 30 grams of cuttlebone.

Usage: *** research fine powder, each time with 3 grams, wrapped in sterilized gauze into a small ball or strip, stuffed into the vagina, 3 days to replace 1 time, for 2 to 3 times to see the effect; the other take the appropriate amount of ai leaves decoction, wash once a night, even wash 7 nights.

Treatment: women with leucorrhea. Third party: 15 grams of snakebeds.

Use: decoction, irrigation vagina.

Treatment: trichomonas vaginitis, eczema. Fourth formula: snake bed seed, eucalyptus grandis leaf, neem bark, duck's foot wood, groundnut, bitter ginseng, each in equal parts.

Use: Decoction of water to soak and wash the affected area, twice a day.

Treatment: lacquer tree allergy, atopic dermatitis, eczema, tinea pedis. Fifth formula: snakebeds, iron wintergreen, stone cactus each equal amount.

Use: Decoction of water to wash the affected area.

Treatment: eczema, vulvar itching. Sixth formula: 60 grams of snakebeds, 3 umeboshi.

Use: Decoction of water and fumigation of detached uterus, wash several times a day.

Treatment: prolapsed uterus. Seventh formula: 12 grams of Serpentine Seed, 15 grams of Semen Cuscutae, 10 grams of Schisandra chinensis.

Use: Decoction with water.

Treatment: impotence of kidney deficiency, spermatorrhea, frequent urination.