The invention relates to a traditional Chinese medicine for treating biliary calculus, which is prepared from the following traditional Chinese medicines by weight: 10 grams of rehmannia root, 40 grams of longhairy antenoron herb, 30 grams of Japanese climbing fern spore, 30 grams of talcpowder, 20 grams of rhubarb, 10 grams of amber, 20 grams of turtle shell, 20 grams of herba pyrrosiae, 10 grams of akebia stem, 20 grams of three shuttle gauze, 20 grams of zedoary, 20 grams of cowherb seed, 10 grams of scrophularia, 6 grams of peach seed, 10 grams of liquoric root and 20 grams of mirabilite.After being processed, the traditional Chinese medicines are decocted in water and taken each time in a day, and 7 days is one treatment course. The traditional Chinese medicine has the effects of clearing heat and normalizing gallbladder, promoting diuresis for stranguria and resolving hard lump, and can prevent intracorporal stagnation effectively while the stone expelling capacity of organismsis improved comprehensively to play a role in addressing both symptoms and root causes. The traditional Chinese medicine has abundant medicinal sources and low cost, and does not have toxic or side effect.