The present invention relates to an oriental herbal medicine composition which has an effect of improving liver functions by comprising active ingredients of Lycium chinense, Chinese quince, Eleutherococcus sessiliflorus, Cornus officinalis, Actinidia polygama, Phragmites australis, green tea, onions, Zizyphus jujuba Mill var. inermis Rehder, Valeriana officinalis L. extract powder, brewers yeast, chicken sternum cartilage powder, honey, betaine, Hovenia dulcis extract powder, and red ginseng; and to a preparation method of the same. The oriental herbal medicine composition comprising Lycium chinense of the present invention comprises: 1-30 parts by weight of Lycium chinense; 1-30 parts by weight of Chinese quince; 1-20 parts by weight of Cornus officinalis; 1-20 parts by weight of betaine; 1-10 parts by weight of red ginseng; 1-10 parts by weight of Hovenia dulcis extract powder; 1-30 parts by weight of honey; 1-30 parts by weight of Actinidia polygama fruits; 1-20 parts by weight of brewers yeast; 1-20 parts by weight of Zizyphus jujuba Mill var. inermis Rehder; 1-20 parts by weight of Phragmites australis; 1-20 parts by weight of green tea; 1-20 parts by weight of Eleutherococcus sessiliflorus; 1-20 parts by weight of Valeriana officinalis L. extract powder; 1-20 parts by weight of chicken sternum cartilage powder; and 1-10 parts by weight of onions. Additionally, the present invention provides a preparation method of an oriental herbal medicine composition comprising Lycium chinense for improving liver functions. According to the present invention, the oriental herbal medicine composition may be beneficially used to improve liver functions by comprising effective components including Lycium chinense, Chinese quince, and Valeriana officinalis L. extract.본 발명은 구기자, 모과나무, 오갈피나무, 산수유, 개다래나무, 갈대, 녹차, 양파, 대추, 발레리안 추출분말, 맥주 효모, 닭흉부연골추출분말, 꿀, 베타인, 헛개나무 추출분말 및 홍삼의 유효성분을 포함함으로써, 간 기능 개선에 유용한 한방 조성물 및 그 제조 방법에 관한 것이다.본 발명의 구기자를 포함하는 간 기능 개선용 한방조성물은 구기자 1 ~ 30 중량부, 모과나무 1