Compared with the Chinese medicine injection liquid of isatis root and houttuynia, the bacteriostasis of Cayratia Japonica was discussed in this article.

Tube plate method, tube dilution method and viable count method were used to determine the inhibitory activity of traditional Chinese medicine injection in vitro, such as Houttuynia Cordata Thunb etc.

The purpose of this research was to investigate the immunoregulation activities of sodium houttuyfonate.