Table 2.

High-frequency herb distribution (frequency ≥ 300).

Sequence	Herb	Time	Frequency (%)	Sequence	Herb	Time	Frequency (%)
1	Danggui	800	56.06	12	Yinyanghuo	437	30.62
2	Tusizi	710	49.75	13	Chenpi	413	28.94
3	Fuling	659	46.18	14	Shanyao	407	28.52
4	Xiangfu	619	43.38	15	Chuanduan	393	27.54
5	Baizhu	554	38.82	16	Shanzhuyu	363	25.44
6	Danshen	550	38.54	17	Yimucao	358	25.09
7	Chuanxiong	513	35.95	18	Cangzhu	352	24.67
8	Gancao	508	35.60	19	GouQizi	344	24.11
9	Shudihuang	496	34.76	20	HuangQi	306	21.44
10	Baishao	478	33.50	21	Banxia	303	21.23
11	Niuxi	440	30.83	22	Chisaho	300	21.02