The invention relates to a drug for quitting smoking, which is a combination of traditional Chinese medicine and western medicine, has no side effect, short quitting smoking course, remarkable quitting smoking effect and no more physical dependence on cigarettes. Taking 100g of the drug for quitting smoking as an example, the material ratios are as follows: 100 to 300mg of Vc, 10 to 50mg of oryzanol, 5 to 7g of white ginseng, 1.5 to 5g of tall gastrodia tuber, 2 to 5g of areca peel, 0.5 to 3g of fructus evodiae, 2.5 to 4g of lightyellow sophora root, 3 to 5g of Chinese atractylodes rhizome, 3 to 6g of common anemarrhena rhizome, 1 to 5g of licorice root, 1.5 to 3g of peppermint, 1 to 2.5g of manchurian wildginger, 1.5 to 3g of flos caryophyllata, 3 to 5g of rehmanniae praeparatum, 3 to 5g of flos chrysanthemi, 2 to 7g of Chinese angelica, 5 to 25g of gypsum, 5 to 7g of honeysuckle flower, 3 to 7g of eucommia bark, 3 to 7g of areca seed, 5 to 7g of dwarf lilyturf tuber, 2 to 7g of earthworm, 5 to 15g of heartleaf houttuynia herb, 5 to 7g of astragalus root, 1.5 to 5g of cassia twig, 1.5 to 5g of eugenia pimenta, 5 to 25g of brown sugar.