Abstract: Objective To discuss the medication rule of traditional Chinese patent medicines and simple preparations in the treatment of palpitation, and provide a reference for clinical application. Methods Collect the prescriptions of traditional Chinese patent medicines and simple preparations for the treatment of palpitations in Formulated Preparations of Traditional Chinese Medicine, input the drugs into the traditional Chinese medicine inheritance calculation platform (V3.5), and analyze the data of the drugs. Results There were 182 prescriptions of traditional Chinese patent medicines and simple preparations for palpitation.From the perspective of taste, the most frequently used are warm and sweet drugs, followed by mild and bitter drugs;From the perspective of meridian regulation, the most frequently used drugs are those for the heart meridian, followed by those for the kidney meridian, and then those for the liver meridian;In terms of medication frequency, the top 10 traditional Chinese medicines are Angelica sinensis, Schisandra chinensis, ginseng, Poria cocos, Astragalus membranaceus, licorice, Ophiopogon japonicus, Radix Codonopsis pilosula, and Radix Rehmanniae;In terms of efficacy, the most frequently used traditional Chinese medicines are those that tonify deficiency, followed by those that calm the nerves, and then those that promote blood circulation and remove blood stasis;From the perspective of drug combinations, Schisandra chinensis is often used in combination with Ophiopogon japonicus, while Angelica sinensis is used in combination with Poria cocos, Astragalus membranaceus, and licorice;Set the support level to≥15% and confidence level to≥0.7, and obtain a networked display of drug patterns consisting of "Huangqi, Fuling, Danggui, Suanzaoren, Licorice, Rehmannia glutinosa, Yuanzhi, Schisandra chinensis, Ophiopogon japonicus, and Ginseng";Obtain three new songs. Conclusion The etiology of palpitations is related to emotions, diet, and long-term physical weakness. The basic pathological mechanism is heart block and loss of mental and spiritual nourishment.Traditional Chinese patent medicines and simple preparations focuses on the heart, kidney, liver, lung and spleen in the treatment of heart palpitations. Deficiency syndrome is mainly used to supplement the qi, blood, yin and yang of the human body. The excess syndrome is mainly used to eliminate the visible and real evils of the human body. It is added or subtracted based on Shengmai Decoction, Guipi Decoction and Zhigancao Decoction.

Key words: traditional Chinese patent medicines and simple preparations, Traditional Chinese Medicine Formula Preparation, Palpitations, Medication rules, data mining