The alias of the small nest vegetable is the alias of the wild pea in Leguminosae. Chinese herbal medicines are the aforementioned plants used as medicines. The efficacy of Xiaochaocai is introduced as follows: Xiaochaocai (Compendium) with different names (Herbal Supplements), Yuanxiu Vegetable, Wild Broad Bean, Dried Grass (Compendium), Queyedou, Wild Pea, Queyedou, Baiqiaoyao, vetch, and Potatoes (Compendium of Common Folk Herbs) The source is the whole grass of the bean plant Vicia hispida. Plant morphology annual or biennial herb of Vicia hispida. The stems are slender and creeping, almost hairless or sparsely pilose, angular, and10 ~ 30 cm high. Stipules have linear teeth or 4 ~ 5 linear teeth on one side, and are sparsely hairy below. Pinnate compound leaves; 4-8 pairs of leaflets, linear or linear rectangle, 5 ~15 mm long and1~ 4 mm wide, with truncated or slightly concave tips, tapering, narrow wedge-shaped base, glabrous on both sides, tendrils at the end of leaf axis, axillary racemes with 2 ~ 5 flowers, shorter than leaves; Calyx bell-shaped, sparsely pubescent outside, calyx teeth 5, equidistant, linear-lanceolate; Corolla is white and purple, the flag petal is oval, the tip of the flag petal is round, equal to the flag petal, and there is no ear, and the keel petal is shorter than the flag petal; Stamens 10(9 1), with no ears; In the room, it is sessile, densely covered with brown bristles, and the top of the style is pilose. Pods are rectangular, oblate, and covered with brown bristles. Seeds1~ 2, 8 ~10 mm long. The flowering and fruiting period is from late March to late May. Mostly wild in wheat fields or hillsides. Distributed in Jiangsu, Zhejiang, Sichuan, Shanxi, Taiwan Province and other places. The seeds of this plant are also used for medicine, and another article is detailed. Sexual taste "Herbal Supplement": pungent, flat and non-toxic. Return to the Classic "Summary of Materia Medica": Start with the Taiyin and Yangming meridians. Function Indications-The effect of Xiaochaocai is to relieve exterior syndrome, promote blood circulation and stop bleeding. Treat yellow disease, malaria, epistaxis and leucorrhea. (1) "Herbal Medicine for Dietotherapy": benefiting five zang, clearing eyes and ears, and removing hot air are light and healthy. Treat five kinds of yellow diseases. ② "Compendium of Materia Medica": the main function is to break blood, stop bleeding and promote granulation. ③ Compendium: stopping fever malaria, promoting blood circulation and calming stomach. ④ "Collection of Common Folk Herbs": sweating to relieve exterior syndrome, removing damp heat and stopping leucorrhea. Usage and dosage for oral administration: decoction, 0.5 ~ 2. Prescription ① Treat five kinds of yellow diseases: shake raw juice and take one liter, two days. ("Dietotherapy Materia Medica") 2 Treatment of fever malaria is not limited: shake the juice with a pestle. ("Guanglifang") 3 Treating epistaxis is not limited to: shaking white and grinding, cooking mash and serving. (Annals of Sichuan Traditional Chinese Medicine)