The invention relates to a traditional Chinese medicine composition for hepatological surgery department, in particular to a traditional Chinese medicine composition for use after gallbladder cancer surgery and a preparation method thereof. A pharmaceutical for oral administration is prepared from the following components in parts by mass: 3-5 parts of white rhizoma Et radix polygoni-cuspidatl, 5-10 parts of poria cocos, 5-8 parts of longan, 3-5 parts of rhodiola rosea, 3-5 parts of peperomia blanda, 5-8 parts of soybean, 3-5 parts of garden burnet, 3-5 parts of radix ophiopogonis, 3-5 parts of rhizoma panacis majoris, 5-8 parts of liquorice root, 5-8 parts of water chestnut hull, 3-5 parts of gynostemma pentaphyllum, 3-5 parts of loquat, 5-8 parts of Chinese Date, 5-8 parts of Chinese angelica, 5-8 parts of pilose antler and 5-8 parts of lucid ganoderma; a pharmaceutical for external use is prepared from the following components in parts by mass: 3-5 parts of chinaroot greenbrier, 5-8 parts of tangerine pith, 3-5 parts of catbrier, 5-8 parts of resina liquidambaris, 5-8 parts of plant soot, 5-8 parts of bletilla striata, 3-5 parts of radix cynanchi bungei, 3-5 parts of thyme and 3-5 parts of lignum dalbergiae odoriferae. According to the traditional Chinese medicine composition disclosed by the invention, the pharmaceutical for oral administration is cooperated with the pharmaceutical for external use to take effect; the pharmaceutical for oral administration has the advantages of tonifying qi, promoting blood circulation and detoxication, and can facilitate effect of the pharmaceutical for external use for stopping bleeding and promoting healing; and meanwhile the pharmaceutical for external use can stop bleeding and dredging collaterals, and can facilitate effect initiation of the pharmaceutical for oral administration.