Many Chinese herbs have the effect of slowing down the heart rate, the common ones are ginseng, maitong, gangsong, wu wei zi, dan shen, bitter ginseng, huang lian, yi mu cao, lotus seed heart, yan hu sao, etc.. However, when slowing down the heart rate almost no doctor will choose one herbal medicine alone to lower the patient’s heart rate, but will use the method of taking oral herbal tonics based on evidence. If the patient’s fast heart rate is caused by deficiency of both qi and blood, Gui Shen Tang will be used; if the patient’s fast heart rate is caused by deficiency of both qi and yin, Bei Bei Gan Cao Tang and Sheng Wei Yin will be used; if the patient’s fast heart rate is caused by heart deficiency and timidity, An Shen Ding Zhi Wan will be used; if the patient’s fast heart rate is caused by heart yin deficiency, Tian Wang Tonic Heart Dan or Consistent Decoction will be used; if the patient’s fast heart rate is caused by heart yang deficiency, Gui Zhi If the patient’s rapid heart rate is caused by deficiency of heart yang, Gui Zhi Long Bone Oyster Soup will be used to lower the heart rate.