The invention relates to traditional Chinese medicine for remedying alimentary tract tumor and a preparation method thereof. The traditional Chinese medicine is formed by refining 21 components of medicine such as tangerine peel, auckandia root, dandehon herb, angelica, cordate okuttuynia, hawthorn fruit, scutellaria root, phellodendron barkg, oldthread root, fresh ginger, syers woad leaf, chrysanthemum flower, mulberry bark, artemisia capillaries, fuligo plantae, honeysuckle flower, viola herb, Mikoudai, pulsatilla sinensis, Yeyuesha, and vinegar and so on, the medicine formula is rational, and has the function of tumor suppression, transfer resistance, recurrence prevention, and can adjust the immunity of human bodies to tumor patients, the cancer against capacity of human bodies is obviously improved, particularly, the effect of the medicine formula to oesophagus cancer, cardiac orifice cancer and large intestine cancer and so on is obvious, a clinical symptom can be relieved greatly, the pain of patients is reduced, the life quality is improved, the life period is prolonged, the gospel is brought along to wide tumor patients, and the invention has high social efficiency and economic efficiency.