Table 2.

Clusters of the herbs at different levels.

Levels		TCM symptom	Target	GO term	KEGG signal pathway
Clusters	1	Fuling	Gancao, cheqianzi, niuxi, huangqi	Danggui, baizhu, danshen, fuling, qumai, qianshi, banxia	Danshen, chenpi, banxia
	2	Danggui	qianshi, banxia, danshen, fuling	Ezhu, chenpi	Qumai, ezhu, danggui, fuing
	3	Qumai, gancao, chenpi, baizhu, ezhu, danshen, banxia, qianshi, niuxi	Qumai, chenpi, dangui, dangshen, ezhu, baizhu	Dangshen, cheqianzi, niuxi, gancao	Qianshi, baizhu
	4	Huanqi, dangshen	—	Huangqi	Niuxi, cheqianzi, huangqi, gancao