A Chinese medicine prescription capable of treating lung adenocarcinoma is composed of Polygala tenuifolia Willd, atractylodes macrocephala, angelica sinensis, poria pararadicis, astragalus membranaceus, ziziphus jujaba Mill.var.spinosa, codonopsis pilosula, costustoot, radix glycyrrhizae preparata and fresh ginger, and a pharmaceutical residue is filtered and obtained after a water quenching procedure of the aforementioned herbs to provide a water-quenched medicine soup, and a pharmaceutical residue is filtered and obtained after processing the water-quenched pharmaceutical residue by a liquor quenching procedure to obtain a liquor-quenched medicine soup and the water-quenched medicine soup and the liquor-quenched medicine soup are mixed. The prescription is capable of triggering cell autophagy and reducing cell growth, expansion and metastasis, so as to achieve the effect of lung adenocarcinoma treatment.