[Textual research on history of introduction [corrected] and herbal medicine of Pogostemon cablin].
OBJECTIVE
To study the history of introduction and herbal medicine of Pogostemon cablin by textual researches and clarify the confusion in literatures.


METHOD
Textual research on historical literatures, practical applications and field investigation were adopted.


RESULT
The varieties of P. cablin for therapeutic uses were not chaotic, however there has existed confusion between P. cablin and Agastache rugosus in descriptions of appellation, habitat and characteristic of the original plants.


CONCLUSION
It was proved that the term "Huoxiang" in Chinese medicinal works before Ming Dynasty was pointed to P. cablin. The cultivation history of P. cablin in China was traced to Liang Dynasty or before.