Eight Zheng San treatment of lower Jiao damp-heat (dampness and heat evils invade the intestines, bladder, pubic area, lower limbs, etc.) a few days to see the effect, need to be based on the individual situation to decide, the symptoms of light people see the effect of fast, the heavy will take a longer period of time, but the use of medication for 2 weeks did not relieve or aggravate the symptoms of the person should be timely medical attention. Ba Zheng San has the effect of clearing away heat and fire (removing heat and fire from the body), and inducing diuresis and gonorrhea. It is mainly used for treating damp-heat gonorrhea (increased frequency of urination, dribbling and pain). Symptoms include frequent urination and urgency, astringent pain when drowning, poor dribbling, dark red urine, even retention of urine, acute fullness in the abdomen, dry mouth and throat, yellow and greasy tongue coating, and slippery pulse. It is clinically used for the treatment of cystitis, urethritis, acute prostatitis, urinary stones, pyelonephritis, postoperative or postpartum urinary retention, etc., which are caused by dampness-heat infiltration (the invasion of dampness and heat into the intestinal tract, bladder, pubic area, lower limbs, etc.). If Pat Ching San is required, it must be used under the guidance of a specialized doctor.