摘要Objective: To explore the medication rule of Traditional Chinese Medicine(TCM) in the treatment of sleep disorder after stroke by using data mining technology. Methods: A computer search was used to search the electronic database of clinical literature on the treatment of sleep disorders after stroke by TCM from January 2000 to January 2021. Excel was used to establish the database, and the prescription information was described and analyzed statistically. Using IBM SPSS Modeler 18.0 software, Apriori algorithm was used for TCM association analysis, and IBM SPSS 22.0 software was used for systematic cluster analysis of high-frequency TCM. Results: A total of 67 literatures were included, covering 131 traditional Chinese medicines.The medecines with a higher frequency of sodium use include Ziziphi Spinosae Semen(Suanzaoren), Angelicae Sinensis Radix(Danggui), Ligusticum (Chuanxiong), liquorice(Gancao), Poria cocos(Fuling), and so on. From the effect point of view, deficiency-tonifying medicine, sedative medicine and blood-activating and stasis-removing medicine are commonly used. The medicinal properties are mainly cold, mild and warm. The main medicine flavor are sweet and bitter. The medicines mostly belong to the liver, heart and spleen Meridian. Thirty-three association rules were obtained for medicine pairs and medicine groups from the correlation analysis, and the core combinations were "Ziziphi Spinosae Semen(Suanzaoren)-Tuber fleeceflower stem(Yejiaoteng)", "Ziziphi Spinosae Semen (Suanzaoren)-Polygala(Yuanzhi)", "Ziziphi Spinosae Semen(Suanzaoren)-Cortex albiziae(Hehuanpi)" and "Angelicae Sinensis Radix(Danggui)-Radix bupleuri(Chaihu)-Radix Paeoniae Alba(Baishao)" and so on. Seven medicine aggregation groups were obtained by medicine cluster analysis. Conclusion: In the treatment of sleep disorder after stroke by TCM, the main method is to calm the heart and mind. Meanwhile, according to different syndrome types, the treatment methods of tonifying the heart and spleen, nourishing the liver and kidney, soothing the liver and softening the liver, clearing heat and resolving phlegm, nourishing the blood and promoting blood circulation are selected, which provide certain reference for clinical treatment.