The invention relates to a traditional Chinese medicine for treating ventricular premature beat. The traditional Chinese medicine is characterized by being prepared from the following important raw materials by a conventional method: 9-15g of processed Radix Glycyrrhizae, 10-30g of Radix Codonopsis (Codonopsis pilosula and/or Codonopsis tangshen), 10-30g of Poria cocos, 10-20g of Atractylodes macrocephala, 10-20g of Angelica sinensis, 10-20g of Radix Polygalae (Polygala tenuifolia and/or Polygala sibirica), 15-40g of Os Draconis, 15-40g of Concha Ostreae, 3-9g of Schisandra chinensis fruit, 6-12g of Dimocarpus longan pulp, 6-12g of Aucklandia lappa, 6-12g of Semen Persicae (Prunus persica and/or Prunus davidiana), 9-15g of Carthamus tinctorius flower, 10-20g of Salvia miltiorrhiza, and 9-15g of Radix Puerariae (Pueraria lobata and/or Pueraria thomsonii). The traditional Chinese medicine provided by the invention has effects of supplementing qi, nourishing yin, regulating the flow of qi, smoothing collaterals, relieving anxiety and palpitation, warming and invigorating the heart-yang, promoting blood circulation and dispelling blood stasis, and has the advantages of simple preparation, easy-accessible raw materials, quick action, low cost and high cure rate. Through clinical application and test, the cure rate is 31.25% and the total effective rate is up to 90.62%.