The invention provides herba eupatorii oral liquid for clearing heat and removing dampness, and protecting liver and gallbladder. The oral liquid consists of the following medicinal raw materials in parts by weight: 10-50 parts of herba eupatorii, 10-20 parts of herba artemisiae scopariae, 10-20 parts of poria cocos, 10-20 parts of lysimachia christinae hance, 10-20 parts of dried orange peel, 10-20 parts of radix paeoniae rubra, 10-20 parts of rhizoma dryopteridis, 10-20 parts of corn stigma, 10-20 parts of lalang grass rhizome, 10-20 parts of herba taxilli, 10-20 parts of scutellaria baicalensis, 10-20 parts of abrus cantoniensis hance, 10-20 parts of szechwan Chinaberry fruit, 10-20 parts of euphrasia officinalis, 10-20 parts of coix seed, 10-20 parts of sedum sarmentosum, 10-20 parts of sculellaria barbata, 10-20 parts of plantain herb, 10-20 parts of herba portulacae, 10-20 parts of radix isatidis, 10-20 parts of glossy privet fruit, 10-20 parts of seed of Chinese dodder and 10-20 parts of rhizoma alismatis. The oral liquid disclosed by the invention has an effect on selectively lowering SGOT (serum glutamic-oxaloacetic transaminase), and the oral liquid, with a large dosage, is capable of lowering liver index, showing that the medicine is relatively good in effect on protecting liver and gallbladder, eliminating dampness, losing weight and expelling toxins.