Snow, also known as Mantianxing and Tianxingmu, is an evergreen or semi-evergreen shrub of Rubiaceae. Its plants are very short, less than 1 m, and potted plants are even shorter. Leaves opposite, ovate. Flowering in summer and autumn, the corolla is funnel-shaped, white, with fluff and needle-shaped cones, which are as long as or slightly shorter than the corolla. Wild in mountains or jungles, distributed in the middle and lower reaches of the Yangtze River in China to Guangdong and other places. Because of its thin leaves, dense branches, thick stems and exposed roots, it is now cultivated in gardens for viewing. Many people regard it as a stump bonsai. After artificial shaping, the trunk is twisted, the roots of the basin are staggered, and it is old-fashioned. Although this plant is short, it looks like a thousand-year-old tree. It is said that the snow bonsai in Chengdu is very popular at home and abroad. Rubiaceae plants in snow have the functions of expelling wind, relieving exterior syndrome, clearing away heat and promoting diuresis, relaxing muscles and tendons and activating collaterals. Medicinal value of snow in June;

[1] chemical constituents: mainly contain glycosides and tannins. The leaves contain volatile oil (1%), as well as phytosterols, a small amount of alkaloids, sugars and fatty acids (saponification products).

[2] Nature and taste return to the meridian: bitter, pungent and cool.

[3] Main effects: expelling wind and relieving exterior syndrome, clearing away heat and promoting diuresis, relaxing muscles and tendons and activating collaterals. Can be used for treating common cold, cough, toothache, acute tonsillitis, pharyngolaryngitis, acute and chronic hepatitis, enteritis, dysentery, infantile malnutrition, hypertensive headache, migraine, rheumatic joint pain and leucorrhea. Burning stems and eyes to treat eyes.

[4] Common dosage: 10g ~ 30g.

[5] Usage: The whole plant is used as medicine. It can be recovered all year round. Wash, use fresh or cut into sections and dry in the sun.

[6] Excerpt: "National Collection of Chinese Herbal Medicine"

[7] Drug prescription:

① Treatment of acute icteric hepatitis: 30g in the snow, 30g in Gardenia, iris 10g, 30g in Fingernail, and 5g in Scutellaria barbata 1 dosage, daily.

② Treatment of cold: 30g in snow, honeysuckle 10g, chrysanthemum 10g, decocted in water; Or 30 grams in the snow, 30 grams of Pteris, 30 grams of Ajuga, decocted in water.

③ Treatment of enteritis and diarrhea: decoct 30g of potherb mustard and 30g of rose root in water for drinking tea.

④ Treatment of acute keratitis and corneal cloud: Six of the snow roots were peeled off, two layers of skin were taken, and appropriate amount of milk was added, mashed to get juice, and then filtered with gauze to make eye drops, 3-5 times a day, each time 1-2 drops.

⑤ Eye swelling: 40g in snow, 0/0 chrysanthemum/kloc, decocted in water; At the same time, smoke and wash the affected area with Liulixue decoction.

In addition, 60g fresh gauze was wrapped in snow, and black-bone chicken 1 clear water was stewed. After the meat is crisp, they go to gauze medicine bags, eat chicken and drink soup. Xuezhongliu has the function of eliminating proteinuria, diuresis and turbidity, and is often used in traditional Chinese medicine to treat renal failure;