Table 4: Statistics on herbal intervention.

Number Chinese name English name Form of preparation Frequency Study 1 補陽 還五 Buyanghuanwu Decoction/capsule 3 Liu and Chen [74]; Wang [56]; Yan [58] 2 參龍 Shenlong Decoction 3 Wang et al. [62]; Wang et al. [56]; Chen et al. [84] 3 通心 絡 Tongxinluo Capsule 2 Wang et al. [99]; Hao et al. [102] 4 仙龍 Xianlong Capsule 1 Zhao et al. [74] 5 復聰 Fucong Decoction 1 Wan et al. [63] 6 當歸 芍藥 Dangguishaoyao Decoction 1 Ji [59] 7 神通 Shentong Capsule 1 Lu et al. [90] 8 參麻 益智 Shenmayizhi Capsule 1 Luo [55] 9 健腦 通絡 Jiannaotongluo Capsule 1 Zhang et al. [51] 10 益腦 Yinaoling Oral liquid 1 Zhou and Yi [64] 11 聰聖 Congsheng Capsule 1 Cao et al. [82] 12 壽星 Shouxing Capsule 1 Hong et al. [54] 13 腦還 丹 Naohuandan Capsule 1 Huang et al. [91] 14 通竅 活血-補陽還五 Tongqiaohuoxue-buyanghuanwu Decoction 1 Liu et al. [65] 15 益智 通絡 Yizhitongluo Capsule 1 Wang et al. [52] 16 智腦 Zhinao Capsule 1 Yang et al. [80] 17 康欣 Kangxing Capsule 1 Cai et al. [81] 18 補腦 通竅 Bunaotongqiao Decoction 1 Guo et al. [53] 19 絡舒 康 Luoshukang Capsule 1 Jia et al. [92] 20 腦智 通 Naozhitong Capsule 1 Cheng et al. [93] 21 首靈 健腦 Shoulingjiannao Capsule 1 Liao et al. [73] 22 補腎 健脾 養 血活血 Bushenjianpiyangxuehuoxue Decoction 1 Shen and Du [94] 23 回天 Huitian Tablet 1 Wang et al. [96] 24 蓯蓉 總甙 Extract from Herba Cistanchis Herbal extract 1 Wu et al. [83] 25 復聰 香 Fucongxiang Oral liquid 1 Yu et al. [66] 26 健腦 清心 Jiannaoqingxin Decoction 1 Zhao 2004 27 益智 Yizhi Decoction 1 Feng et al. [86] 28 補腎 益腦 Bushenyinao Capsule 1 Liu [71] 29 華佗 再造 Huatuozaizao Tablet 1 Liu et al. [60] 30 補腎 活血 Bushenhuoxie Decoction 1 Tang et al. [75] 31 健腦 聰明 Jiannaocongming Oral liquid 1 Wang et al. [98] 32 益氣 復智 Yiqifuzhi Granule 1 Zhou et al. [101] 33 舒脈 益腦 Shumaiyinao Capsule 1 Gao [67] 34 通脈 益智 Tongmaiyizhi Tablet 1 Li et al. [61] 35 益智 湯 Self-derived CHM 1 Decoction 1 Mou [68] 36 補腎 活血自擬 方 Self-derived CHM 2 Decoction 1 Shi and Wang [76] 37 補腎 健腦 Bushenjiannao Decoction 1 Zhang and Lu [69] 38 雙參 促智 Shuangshencuzhi Granule 1 Cui et al.[77] 39 康腦 Kangnao Tablet 1 He [57] 40 健腦 益智 Jiannaoyizhi Capsule 1 Jin et al. [85] 41 芪紅 Qihong Oral liquid 1 Chang et al. [70] 42 首烏 益智 Shouwuyizhi Capsule 1 Li et al. [103]