Sexual taste: bitter; Acid; Indications of frigidity function: clearing away heat and toxic materials; Stop bleeding and reduce swelling; Relax; Insecticide. Main vomiting blood; Bleeding; Bloody stool; Collapse and leakage; Under the red and white belt; Purpura; Dysentery; Hepatitis; Constipation; Poor urination; Carbuncle, sore, swelling and poison; Scabies; Fall and get injured; Usage and dosage of scald and fire injury: oral administration: decoction, 10-30g. External use: appropriate amount, tamping; Grinding and wrapping with vinegar; Or grinding and dressing; Or fried and washed. Note: people with deficiency and cold should not eat. Excerpt: Chinese materia medica