The invention discloses a preparation method of a teabag for improving qi-deficiency constitution. The teabag is characterized by taking ginseng, Chinese yams, red dates, Chinese wolfberry fruits, hawthorn fruits, longan pulp, sword beans, poria cocos, dried tangerine peel, lotus seeds, villous amomum fruits, finger citron, sharpleaf galangal fruit kernels and liquorice as raw materials, and is prepared by the following steps: after cleaning, conducting drying until the water content is less than 5%, sending the materials into a sterilizing device for sterilization, sending the materials intoa crusher, crushing the materials into 40-80-mesh, then conducting stirring and mixing in proportion, and conducting packaging by three-dimensional tea bags after the uniform mixing. The teabag is excellent in material selection, unique in taste, convenient to eat and easy to accept by people, adopts both medicinal and edible food materials as effective components, does not contain any chemical additive, hormone and harmful substance, does not cause burden on the body even after being drunk every day for a long time, is a pure natural substitute tea, and is a natural tea drink for improving qi-deficiency constitution.