The invention discloses a kind of Chinese medicine composition for treating lung cancer and preparation methods, specially drug preparation technique field.Comprising a prescription and b prescription, a prescription: 20 parts of Poria cocos, 20 parts of Radix Ophiopogonis, 20 parts of tendril-leaved fritillary bulb, 12 parts of dried human placenta, 12 parts of radix rehmanniae preparata, 12 parts of Radix Rehmanniae, 12 parts of rhizoma alismatis, 12 parts of umbellate pore furgus, 12 parts of concha mauritiae, 12 parts of the tuber of multiflower knotweed, keel are 12 parts each, 12 parts of Radix Angelicae Sinensis, 12 parts of Radix Paeoniae Alba, 12 parts of the fruit of glossy privet, 12 parts of Rhizoma Atractylodis Macrocephalae, 12 parts of cloves, 12 parts of Divine Comedy, 12 parts of malt, 12 parts of hawthorn, 12 parts of endothelium corneum gigeriae galli, 12 parts of donkey-hide gelatin, hawksbill turtle last 12 parts, 12 parts of aloe, 8 parts of fructus amomi, 8 parts of ginseng, 8 parts of cinnabar, 7 parts of amber, 7 parts of Radix Glycyrrhizae, 25 parts of oyster, 25 parts of aetite.B prescription: 25 parts of ginkgo leaf, 25 parts of Sculellaria barbata, neglects 25 parts of lattice at 25 parts of water Radix Notoginseng.The composition inhibits the effect of primary pulmonary bronchiolar carcinoma lesion, and extends most patients with cancer life span.