[A review on the study of hubeibeimu].

Hubeibeimu has been used with a long history. Now as one of the major sources of Beimu, it contains 10 steroid alkaloids, 2 diterpenes and 3 diterpenoid dimers. Has bronchial smooth muscles relaxation, antitussive, expectoant and antiasthmatic activities, with very low toxicity. Modern research is in accordance with the traditional experiences of TCM, and Hubeibeimu has been recorded in the latest Chinese Pharmacopoeia (2000 ed.), which is worthy of further development.