The prescription of Zhigancao decoction is published in "Treatise on Febrile Diseases", which can treat "irregular heartbeat" and pulse stasis caused by qi deficiency, blood deficiency and yin deficiency. The composition of the prescription is as follows: 12 grams of licorice, 6 jujubes, 25 grams of raw rehmannia, 10 grams of Codonopsis pilosula, 6 grams of donkey hide gelatin, 6 grams of cassia twigs, 10 grams of ginger, 10 grams of Ophiopogon japonicus, and 10 grams of hemp seeds. For those with loose stools, remove hemp seeds, for those who are afraid of cold, remove raw rehmannia, add 10 grams of aconite root and 15 grams of atractylodes, for those with heart failure, add 30 grams of roasted astragalus, and change Codonopsis pilosula to red ginseng. For those who are prone to hunger, add 15 grams of rehmannia root. Decoction in water. You can drink three times in one dose. Arrhythmia of non-deficient heart disease can usually be improved by taking 5 medicines, and there is no need for any course of treatment. Taking the wrong medicine for 100 "courses" is useless.