The invention discloses a buckwheat tea bag, which is characterized by being prepared from the following raw materials by weight part: 140-145 of tartary buckwheat, 30-35 of oolong tea, 4-5 of Inula salsoloides (Turcz.) Ostenf., 3-4 of hawthorn root, 6-7 of sterculia lychnophora, 5-7 of plum, 4-6 of vanilla, 4-7 of zingiber officinale rhizome particles, 4-5 of tender Ledum palustre leaf, 3-4 of tender carrot leaf, 3-5 of red bean, 1-2 of rohdea japonica, 4-5 of fruit of Nitraria, 1-1.5 of onion root, 13-17 of white sugar, 4-6 of volvariella volvacea mushroom dreg, 5-7 of orange peel, 7-8 of distillers' grains, 9-14 of an assistant and a proper amount of water. The tea bag provided by the invention adopts buckwheat as the main raw material, and buckwheat contains contains a variety of vitamins and has high nutritional value. A variety of Chinese herbal medicines, extracted solutions thereof and a variety of fruits and vegetables are employed to coordinate with buckwheat, so that the tea bag provided by the invention has many nutritional components, contains many trace elements beneficial to the human body, can eliminate fatigue and promote metabolism, and has good health care effect.