The invention relates to a technology for preparing compound kidney inflammation tablets, which is characterized in that crushing red sage roots 337.5g into fine powder, further mixing with baikal skullcap roots 202.5g, cattail pollen 112.5g and morning glory seeds 112.5g and crushing into fine powder, then sieving, furthermore, uniformly mixing motherwort fruits 450g, astragalus roots 337.5g, Siberian solomonseal rhizome 112.5g, poria cocos 202.5g, barbat skullcap 202.5g, doddor seeds 225g, gamene 112.5g, haw 337.5g, reed roots 202.5g, hizoma imperatae 225g, plantain seeds 225g, then adding water, and boiling the water for two hours through adding water by ten times at the first time, boiling for two hours through adding water by eight times at the second time, combining the boiled liquid, and filtering the boiled liquid, the filtering liquid is concentrated into thick paste whose relevant intensity is 1.35-1.39 (60 DEG C), adding the fine powder which is formed through mixing and crushing the scutellaria roots, the cattail pollen and the morning glory seeds, uniformly mixing, and drying the fine powder with 60 DEG C, crushing into fine powder (passing through a 100-eyes screen), lastly adding crushed red sage root fine powder and 1.0% dextrin, uniformly mixing, preparing into granules by 85% ethanol, drying with the temperature of DEG C, namely obtaining one thousand tablets. The compound kidney inflammation tablets produced by the technology have high effective component and good healing efficacy.