Bian Xu Common Knotgrass Herb Herba Polygoni Avicularis

Bian Xu | Herba Polygoni Avicularis | Common Knotgrass Herb | 萹蓄 Biān Xù

萹蓄（Bian Xu），为蓼科植物 萹蓄 (Polygonum aviculare L.) 的干燥地上部分，传统用于利尿通淋、清热解毒、杀虫止痒。尤其适用于湿热下注、尿频涩痛、阴部瘙痒、带下异味等下焦湿热症。不仅内服通淋利水，亦可外用煎汤洗浴，有良好的止痒与抗菌效果。

Bian Xu, or Common Knotgrass Herb, is the dried aerial part of Polygonum aviculare, a plant in the Polygonaceae family. In Traditional Chinese Medicine, it is valued for its abilities to promote urination, clear damp-heat, detoxify, and relieve itching. It is especially suitable for urinary tract issues caused by damp-heat, skin irritation, genital itching, and lower body dampness. It is commonly used both internally and externally in urinary health teas, detox blends, and herbal wash formulas.

🌿 Key Benefits | 产品功效

• 🚻 Promotes urination and relieves damp-heat stranguria
  （利尿通淋，缓解尿频、尿急、尿痛等湿热淋症）

• 🔥 Clears heat and detoxifies
  （清热解毒，适用于下焦湿热、内热烦躁）

• 🌿 Relieves itching and kills parasites
  （杀虫止痒，外用缓解阴痒湿疹、皮肤瘙痒）

• 🧼 For both internal decoction and external washing
  （可煎服亦可外洗，泌尿系统与皮肤双调理）

• 🍵 Ideal for urinary detox teas and herbal washes
  （常用于祛湿排毒茶、妇科清洁煎洗配方）

✅ Product Details | 产品规格

• Botanical name: Polygonum aviculare L.
  （植物学名：萹蓄）

• Part used: Aerial parts (dried)
  （使用部位：干燥地上部分）

• Form: Whole herb / cut herb / powder / tea bag grade
  （规格：整草 / 切段 / 粉末 / 袋泡茶级）

• Source: Wildcrafted or eco-cultivated in clean mountainous areas
  （生态山野采集或仿野生种植，道地产区直供）

• No additives, pesticide-free, non-GMO
  （无添加剂、无农残、非转基因）

📦 Suggested Use | 使用方法

• 内服： 每次 9–15 克，水煎服，常与清热利湿药配伍

• 外用： 30–50 克煎水坐浴或洗浴，用于湿疹、阴痒、异味等

• 调理配伍建议：

  • 配瞿麦、滑石、车前草，用于湿热淋症、尿道感染调理

  • 搭苦参、地肤子、白鲜皮，用于皮肤瘙痒、湿疹坐浴配方

  • 与金银花、蒲公英、龙胆草合用，增强清热解毒效果

⚠️ 脾胃虚寒或小便不利者慎用，孕期使用请咨询专业中医师。