Objective Summarizing the spectrum of prescriptions for treating arrhythmia in Shanghan Zabing Lun to provide clinical reference. Methods Chinese Medical Pawning（《中华医典》） was reviewed. Meanwhile

related papers on treating arrhythmia with prescriptions in Shanghan Zabing Lun were searched from Journal Full-Text Database of China National Knowledge Infrastructure

Wan Fang Data

VIP Data in Chinese

and Chinese Biological Medical Literature Database on disc. Medical records were included and paper information was extracted to build arrhythmia medical record information collection table. According to the use frequency of classical prescriptions

3spectrums of prescriptions for arrhythmia were built

including prescriptions from ancient case reports

modern clinical research literature

and individual case reports and clinical experience summaries. Results Totally

107 ancient case reports

435 papers on modern clinical research

540 individual case reports and experience summaries were included. There were 36 prescriptions treating arrhythmia in the ancient cases. The 3 most frequently used prescriptions were Zhi Gancao Decoction（炙甘草汤

18 times）

Ganmai Dazao Decoction（甘麦大枣汤

10 times）

Linggui Zhugan Decoction（苓桂术甘汤

8 times） and Shenqi Pill（肾气丸

8 times）. In modern clinical research literature

there were 45 prescriptions for treating arrhythmia. The 3 most frequently used ones were Zhi Gancao Decoction（221times）

Mahuang Fuzi Xixin Decoction（麻黄附子细辛汤

76 times） and Guizhi Gancao Decoction（桂枝甘草汤

16times）. In modern single case reports and experience summaries

there were 68 prescriptions for treating arrhythmia.The 3 most frequently used were Zhi Gancao Decoction（138 times）

Mahuang Fuzi Xixin Decoction（73 times） and Linggui Zhugan Decoction（29 times）. Conclusion Common prescriptions in Shanghan Zabing Lun for treating arrhythmia are Zhi Gancao Decoction

Linggui Zhugan Decoction and Guizhi plus Longgu Muli Decoction（桂枝加龙骨牡蛎汤）. Meanwhile

Mahuang Fuzi Xixin Decoction

Ganmai Dazao Decoction and Shenqi Pill were frequently used classical prescriptions.