Clear heat and detoxify, cool blood and diuresis. Used for urocystitis caused by lower jiao dampness and heat. The symptoms include frequent urination, urgent urination, urination pain, low back pain, lower abdominal bulge; It is also used for chronic prostatitis damp-heat accumulation and blood stasis syndrome, syndrome of frequent urination, urethral burning, perineum, abdominal lumbosacral pain or discomfort.