The invention provides a formula for treating inflammation of a urinary system. The formula comprises the following components by weight: 100 g of radix scutellariae baicalensis, 200 g of radix astragali membranacei, 50 g of rhizoma coptis chinensis, lotus seeds, 150 g of red date fruits and 400 g of beewax. The formula for treating the inflammation of the urinary system is suitable for all patients suffering from the inflammation of urinary systems, due to the fact that the raw materials of the formula are very convenient to obtain, the preparation is simple, a treatment principle of the formula is promoting diuresis and relieving stranguria, a good treatment effect on the inflammation of the urinary system is achieved, in addition, no side effect is caused, and the effects of detoxifying, beautifying, delaying senescence and the like are also achieved.