The invention relates to a foot bath bag containing Yunnan large-leaf tea and a preparation method of the foot bath bag. A foot bath composition containing Yunnan large-leaf tea comprises the following raw materials by weight: 20-40 g of Yunnan large-leaf tea powder, 3-10 ml of tea tree extracted oil, 20-30 g of natural foot bath salt, 10-20 g of Chinese lobelia, 15-25 g of radix clematidis, 10-25 g of ginger, 5-15 g of radix sophorae flavescentis, 5-10 g of Chinese parsnip root, 15-20 g of roselle, 5-10 g of tuber fleeceflower stem, and 1-5 g of safflower carthamus. The preparation method of the foot bath composition containing Yunnan large-leaf tea comprises the following steps of after crushing, uniformly mixing the raw materials, except tea tree extracted oil, uniformly mixing the mixture with tea tree extracted oil, sieving through a 40-100-mesh sieve, obtaining medicinal powder with uniform size and granularity, and packaging to form the foot bath bag by using a 10 g of filtering paper film. The foot bath bag containing Yunnan large-leaf tea has the effects of promoting blood circulation, activating blood circulation, dredging collaterals, clearing damp, warming feet, relieving fatigue, promoting sleep, cleaning skin, deeply nourishing, sterilizing, relieving itching, keeping in good health, caring health and the like and is particularly applied to rapidly returning to normal by parturients having postpartum Qi-stagnation and blood stasis habitus.