1, the root of sheep's hoof, also known as rhubarb, ox tongue, sheep tongue, wild spinach and sheep's hoof leaves, is the root of Polygonaceae sheep's hoof or Nepal's sheep's hoof, which is conical, 6-18cm long and 0.8-1.8cm in diameter. There are residual stem base and branch root marks on the root cap. The root surface is brown-gray, with longitudinal wrinkles and laterally protruding lenticels. Hard and easy to break, the section is grayish yellow and granular. Special gas, slightly bitter taste.

2. Return to Compendium of Materia Medica: Start with Shaoyin Meridian.

3. Its functions are clearing away heat, relaxing bowels, inducing diuresis, stopping bleeding and killing insects. Treat dry stool, stranguria, jaundice, hematemesis, intestinal wind, functional uterine bleeding, alopecia, scabies, carbuncle and traumatic injury. Clearing away heat and toxic materials, killing insects and relieving itching, moistening intestines and relaxing bowels. Can be used for treating dermatoses, scabies, various bleeding, hepatitis and various inflammations.

4, usage and dosage for oral administration: decoction, 3 ~ 5 yuan; Pour juice or boil cream. External use: tamping, grinding juice and coating or decocting, washing.

5, pay attention to "Herbal Yan Hui": people with spleen and stomach deficiency and diarrhea should not eat.