The invention relates to the technical field of traditional Chinese medicine health food, in particular to jujube with the same source of medicine and food for treating lung cancer and a preparation method thereof. The jujube is made by fumigation of traditional Chinese medicine decoction, and the decoction includes the following raw materials in parts by weight: 300-400 parts of fresh aloe leaves, 250-350 parts of cactus, 10-20 parts of dried ginseng, 10-15 parts of salvia miltiorrhiza, 5 parts by weight. ~10 parts of Ganoderma lucidum, 0.2~0.5 parts of Cordyceps sinensis, 20~30 parts of tea polyphenols, 5~8 parts of Baiji, 10~13 parts of Chuan Fritillaria, 6~9 parts of Digupi, 8~13 parts of Flat Fritillaria, 20-25 parts Panax notoginseng, 6-9 parts Polygalaceae, 3-5 parts Ginkgo biloba, 2-5 parts Eupatorium, 3-6 parts Agkistrodon, 6-12 parts Pueraria, 10-18 parts Scallion, 2-6 parts Polygonum multiflorum, 3-7 parts of Morus alba, 2-8 parts of Poria cocos, 10-15 parts of rhodiola, 2-6 parts of gecko, 10-26 parts of angelica. The invention has high cure rate and no side effect.