The invention relates to an anti-arrhythmia traditional Chinese medicine capsule, which is used for treating arrhythmia. The method comprises the following steps: using red ginseng, ophiopogon root, radix glehniae, red sage root, longan, dens draconis, semen zizyphi spinosae and Schisandra; crushing red sage root, radix glehniae, longan and dens draconis to crude powder, adding water and extracting twice, filtering and merging a filtrate, concentrating for preparation; crushing gen-seng, ophiopogon root, Schisandra, and semen zizyphi spinosae to crude powder, adding 70% of ethanol for backflow extraction twice, filtrating, merging the filtrate, carrying out pressure reduction and recovering ethanol, concentrating, and merging a concentrate of red sage root and the like, concentrating to stiff paste, drying, crushing the dry substrate to fine powder, sieving and adding beta-cyclodextrin, using 95% ethanol spray to prepare a soft material, sieving and pelletizing, shaping granules, adding 1% of talcum powder and a proper amount of starch, uniformly mixing, filling into a capsule casing to obtain the product. The invention has the advantages of replenishing qi and nourishing yin, nourishing blood and tranquillizing, tranquillizing cardioversion and palpitation, the anti-arrhythmia traditional Chinese medicine capsule has good curative effect.