This verbena has the functions of clearing away heat and toxic materials, promoting blood circulation, removing blood stasis, inducing diuresis and reducing swelling. Treat exogenous fever, damp-heat jaundice, edema, dysentery, malaria, diphtheria, laryngitis, gonorrhea, amenorrhea, abscess, carbuncle and toothache. This cassia seed is used for red eyes and pain, shame and tears, headache and dizziness, blurred vision and constipation. Clearing away heat and toxic materials, promoting blood circulation and dredging veins. The five flavors of Ding Can are used for treating wind-heat cold, lung-heat asthma and cough, laryngeal edema, tonsillitis, dysentery, hemiplegia caused by coronary heart disease and cerebrovascular accident, thromboangiitis obliterans, erysipelas, scald, central retinitis, uveitis and acute suppurative skin inflammation. The Flos Chrysanthemi Indici folding medicine has the functions of clearing away heat and toxic materials, expelling pathogenic wind and reducing fever, clearing away liver heat and improving eyesight, and can be used for treating some infectious diseases and fiery diseases.