OBJECTIVE:To research the origin of Zibei Xiqi which included in Volume 3 of < Bencao Gangmu Shiyi > (A supplement to the compendium of materia medica).
METHOD:The origin of Zibei Xiqi was confirmed with textural, botanical characteristics research and drug name, therapeutic effects and so on.
RESULT:The origin of Zibei Xiqi was confirmed.
CONCLUSION:The Zibei Xiqi which is recorded in < Bencao Gangmu Shiyi > should be the immature herbs of Shuang Hudie [Tripterospermum chinense, Gentianaceae], and suggest to correct the original records of the drug name.