The function of caulis Sargentodoxae: clearing away heat and toxic materials, promoting blood circulation and stopping bleeding; The efficacy of plantain is: clearing heat and promoting diuresis, promoting diuresis and relieving stranguria. The function of Houttuynia cordata Thunb.: clearing away heat and toxic materials, eliminating carbuncle and discharging pus, inducing diuresis and treating stranguria; The function of Hedyotis diffusa: clearing away heat and toxic materials, promoting diuresis and treating stranguria; The effects of Pteris multifida are: clearing heat and promoting diuresis, detoxicating and stopping dysentery, cooling blood and stopping bleeding. These can be used together, clearing away heat and toxic materials, promoting blood circulation and removing blood stasis.