Sanjin Tablet belongs to Chinese patent medicines, which is a heat-cleansing agent with the effects of clearing heat and removing toxins, inducing dampness and clearing gonorrhea and benefiting the kidneys. It can be used for treating hot drenching, short and red urination, astringent and painful drenching, urgent and frequent urination caused by dampness-heat in the lower Jiao; acute and chronic pyelonephritis, cystitis, urinary tract infection with the above symptoms; chronic non-bacterial prostatitis, and the evidence of dampness-heat downstream of renal deficiency. Please pay attention to the monitoring of liver and kidney functions during the use of the drug. The contraindications of this drug are not clear, taking medication, avoid spicy stimulating food, avoid eating mutton, seafood and other hairy food.